Running a half marathon represents a significant milestone in any runner’s journey. Whether you’re stepping up from shorter races or building toward a full marathon, understanding the half marathon distance and how to train for it properly can make the difference between an enjoyable race experience and a painful struggle.
What is a Half Marathon Distance?
A half marathon is exactly what the name suggests—half the distance of a full marathon. The official half marathon distance is 21.0975 kilometers or 13.1094 miles. While most people refer to it as simply “13.1 miles” or “21.1 kilometers,” these are rounded figures that make the distance easier to remember and discuss.
The half marathon originated in the 1960s, with the Route du Vin Half Marathon founded in 1961 being recognized as the first official race, though the distance wasn’t fully standardized until 1995. Since then, it has grown to become one of the most popular race distances worldwide, second only to the 5K in participation numbers.
To put this distance in perspective, if you were running on a standard 400-meter outdoor track, you would need to complete just over 52 laps to cover the full half marathon distance. For the average person, this translates to approximately 20,000 steps when running or about 30,000 steps when walking.

Half Marathon vs Other Common Distances
Understanding how the half marathon compares to other popular race distances helps contextualize the challenge:
- 5K (3.1 miles): The half marathon is 4.2 times longer than a 5K
- 10K (6.2 miles): The half marathon is 2.1 times longer than a 10K
- Full Marathon (26.2 miles): The half marathon is exactly half the marathon distance
This makes the half marathon an excellent stepping stone for runners progressing from 10K races or those who want to test their endurance without committing to the extensive training required for a full marathon.
How Long Does it Take to Complete a Half Marathon?
One of the most common questions from aspiring half marathoners is: “How long will it take me to finish?” The answer varies significantly based on factors including age, gender, fitness level, and running experience.
Average Half Marathon Times
According to comprehensive analysis from RunRepeat, which examined over 107.9 million race results from more than 70,000 events worldwide between 1986 and 2018, the overall average half marathon finish time across all participants is 2 hours, 14 minutes, and 59 seconds.
However, when we break down the data by gender, we see more specific averages:
Men’s Average Times:
- Overall average: 1 hour 59 minutes (9:07 per mile pace)
- Median finish time: 2:03:28
Women’s Average Times:
- Overall average: 2 hours 14 minutes (10:14 per mile pace)
- Median finish time: 2:21:42
It’s worth noting that approximately 45% of half marathon finishers break the 2-hour barrier, making this a common goal for intermediate runners.
Half Marathon Times by Age Group
Age plays a significant role in half marathon performance. Based on data from Running Level and multiple race analysis sources, here are typical finish times by age and experience level:
Ages 20-35 (Peak Performance Years):
- Beginner: 2:43:00 – 3:05:00
- Intermediate: 1:46:00 – 2:00:00
- Advanced: 1:36:00 – 1:43:00
Ages 40-50:
- Beginner: 2:49:00 – 3:15:00
- Intermediate: 1:50:00 – 2:10:00
- Advanced: 1:40:00 – 1:50:00
Ages 50+: The average finish time increases by approximately 15 minutes for every additional decade for men, and about 20 minutes for women. However, runners in their 50s who maintain consistent training often achieve times under 3 hours, which is considered excellent for this age group.

Elite Half Marathon Performance
For comparison, elite runners operate at an entirely different level. The current world records demonstrate the pinnacle of human endurance:
Men’s World Record: 56:42 (pending ratification) set by Jacob Kiplimo of Uganda in February 2025 in Barcelona, Spain. This represents an incredible pace of 2:35 per kilometer or 4:20 per mile.
Women’s World Record: 1:02:52 set by Letesenbet Gidey of Ethiopia in October 2021 in Valencia, Spain. Her pace averaged 2:58 per kilometer or 4:48 per mile for the entire distance.
These times showcase that elite half marathon runners maintain paces between 4:30 and 5:00 minutes per mile for men, and around 5:00 minutes per mile for women—speeds that most recreational runners can barely sustain for a single mile.
How Long to Train for a Half Marathon
The appropriate training duration for a half marathon depends significantly on your current fitness level and running experience. Here’s what experts and professional running coaches recommend:
For Complete Beginners (New to Running)
If you’re starting from minimal running experience, you’ll need 20-26 weeks to safely prepare for a half marathon. This extended timeline allows you to:
- Build a base level of cardiovascular fitness
- Progress from walking to running continuously
- Gradually increase weekly mileage without injury
- Develop the endurance necessary for long runs
The “Couch to Half Marathon” approach typically follows this progression:
- Weeks 1-6: Build base fitness using run-walk method
- Weeks 7-12: Transition to continuous running for 3-4 miles
- Weeks 13-18: Progressively increase long run distance
- Weeks 19-24: Half marathon specific training begins
For Runners Stepping Up from 10K
If you can already comfortably run a 10K (6.2 miles) and maintain a consistent running schedule, you’ll need 8-12 weeks of focused half marathon training. According to The Running Channel, runners with a solid 10K base can successfully train for a half marathon in this timeframe because:
- You already have an established aerobic base
- Your body is adapted to regular running stress
- You understand basic pacing and race day procedures
- The transition involves primarily building endurance, not starting from scratch
Training focus should be on:
- Increasing weekly mileage by 20-30%
- Extending the long run from 6-7 miles to 10-12 miles
- Adding tempo runs for pace development
- Practicing race day nutrition during long runs
For Experienced Runners
Runners who already maintain 30+ miles per week and have completed multiple races can prepare for a half marathon in 6-10 weeks. However, this abbreviated timeline is only appropriate if you:
- Consistently run 4-5 times per week
- Have recent race experience at 10K or longer
- Have no current injuries or training gaps
- Possess a strong understanding of pacing and effort levels
Essential Components of Half Marathon Training
A well-structured half marathon training plan includes several distinct types of workouts, each serving a specific purpose in your development as a runner.
Long Runs: Building Endurance
Long runs form the cornerstone of any half marathon training program. These runs, performed once weekly at an easy, conversational pace, gradually build the aerobic endurance necessary to cover 13.1 miles.
Long Run Guidelines:
- Frequency: Once per week, typically on weekends
- Pace: Easy effort, 60-90 seconds slower than goal race pace
- Peak distance: 10-12 miles (some training plans go up to 15 miles)
- Progression: Increase by 1 mile every 1-2 weeks
- Important: Recovery day should follow every long run
According to Mottiv’s training recommendations, your longest training run doesn’t necessarily need to be the full half marathon distance. Most training plans peak at 10-12 miles, allowing race day excitement and proper taper to carry you through the final miles.

Tempo Runs: Developing Lactate Threshold
Tempo runs help improve your lactate threshold—the pace you can sustain for extended periods without accumulating excessive fatigue. Running coach Nick Anderson notes that tempo work is crucial for half marathon performance because race pace typically falls near or slightly below this threshold.
Tempo Run Structure:
- Frequency: Once per week
- Pace: Comfortably hard effort, 15-30 seconds slower than goal half marathon pace
- Duration: 20-40 minutes at tempo effort
- Include: 10-15 minute warm-up and cool-down
Interval Training: Improving Speed
Interval workouts involve alternating between hard running efforts and recovery periods, which improves your VO2 max (maximum oxygen uptake) and overall running economy.
Sample Interval Workouts:
- 6-8 × 800 meters at 5K pace with 2-3 minute recovery
- 4-6 × 1 mile at 10K pace with 90 second to 2 minute recovery
- 10-12 × 400 meters at 3K pace with 60-90 second recovery
Easy Runs: Active Recovery
Easy runs make up 70-80% of your total training volume. Despite being “easy,” these runs are critically important for:
- Allowing recovery while maintaining fitness
- Building aerobic base
- Accumulating mileage safely
- Developing running economy
The most common mistake runners make is running their easy days too hard. These runs should be at a pace where you can comfortably hold a conversation.
Weekly Mileage Targets
According to Campus Coach’s training guidelines, appropriate weekly mileage varies by experience:
Intermediate Runners (3-4 runs per week):
- Starting volume: 30-40 kilometers (18-25 miles) per week
- Peak volume: 60-70 kilometers (37-43 miles) per week
- Long run: Should not exceed 1 hour 45 minutes
Advanced Runners (4-5 runs per week):
- Maintain consistent 50-60 kilometers (30-37 miles) per week
- Peak weeks can reach 70-80 kilometers (43-50 miles)
- Long runs integrated with goal pace sections
Half Marathon Nutrition: Fueling for Success
Proper nutrition plays a crucial role in half marathon training and race day performance. While nutrition for a half marathon isn’t as complex as for a full marathon, having a solid fueling strategy can significantly impact your results.
Daily Training Nutrition
According to Marathon Handbook’s nutrition guidelines, endurance athletes should aim for a macronutrient ratio of approximately:
- 55-65% Carbohydrates: Primary energy source for running
- 20-25% Protein: Essential for muscle repair and recovery
- 20-25% Fat: Supports long-term energy and cellular function
Quality Carbohydrate Sources:
- Whole grain pasta, rice, and bread
- Sweet potatoes and regular potatoes
- Oatmeal and whole grain cereals
- Quinoa and other whole grains
- Fruits and vegetables
Protein Sources for Runners:
- Lean meats (chicken, turkey, fish)
- Greek yogurt and dairy products
- Beans, lentils, and legumes
- Eggs and egg whites
- Plant-based protein powders
Pre-Race Nutrition Strategy
The Week Before Your Race:
The days leading up to your half marathon should focus on high carbohydrate intake with moderate protein and low fat and fiber. According to Nutrition for Running, you don’t need extreme carb-loading for a half marathon like you would for a full marathon, but increasing carbohydrate intake in the final 2-3 days helps maximize glycogen stores.
Carbohydrate Targets:
- Normal training: 3-5 grams per kilogram body weight
- Race week: 5-7 grams per kilogram body weight
- Final 2 days: 7-10 grams per kilogram body weight
Race Morning Breakfast:
Your pre-race meal should be consumed 2-3 hours before the start, providing 300-500 calories with emphasis on easily digestible carbohydrates.
Recommended Pre-Race Meals:
- Bagel with honey and banana
- Oatmeal with berries and small amount of nut butter
- Toast with jam and sports drink
- Rice cakes with peanut butter
- Energy bars with familiar ingredients
Critical Rule: Never try new foods on race day. Only consume foods you’ve tested during training runs.
During Race Fueling
One common question is: “Do I need to take energy gels or fuel during a half marathon?” The answer depends on your pace and individual needs.
According to HIGH5’s nutrition guide and recommendations from professional running coach Nick Anderson:
For Races Under 1:45: Most runners can complete the distance on glycogen stores alone if properly carb-loaded. However, taking one gel around the 40-45 minute mark can provide a mental and physical boost for the final miles.
For Races Between 1:45-2:15: Consider taking 1-2 energy gels during the race:
- First gel: 45-60 minutes into the race (around mile 6-7)
- Second gel: Optional at 90 minutes if feeling depleted
For Races Over 2:15: Plan for consistent fueling every 40-45 minutes:
- Aim for 30-60 grams of carbohydrates per hour
- Take 2-3 gels or equivalent throughout the race
- Don’t wait until you feel depleted to start fueling
Popular Fueling Options:
- Energy gels (20-25g carbs per packet)
- Energy chews or blocks (15-20g carbs per serving)
- Sports drinks at aid stations
- Honey or maple syrup packets
- Dried fruit (dates, figs)
Hydration Strategy
Proper hydration is essential for performance without causing discomfort. According to Mottiv’s hydration guidelines:
Pre-Race Hydration:
- Drink 16-20 oz water 2-3 hours before start
- Sip 8-10 oz water 15-20 minutes before start
- Avoid overhydrating (can lead to hyponatremia)
During Race:
- Target 4-8 oz every 15-20 minutes
- Use aid stations (typically every 2 miles)
- Choose sports drinks over plain water for electrolyte replacement
- Adjust based on weather conditions and individual sweat rate
Signs of Proper Hydration:
- Light-colored urine before race
- No excessive thirst during run
- No stomach sloshing or bloating
- Steady energy levels throughout
Weather-Based Adjustments:
Hot Weather (75°F/24°C+):
- Increase fluid intake by 25-50%
- Prioritize electrolyte drinks
- Pour water over head/neck for cooling
Cool Weather (Below 60°F/15°C):
- Slightly reduce intake but maintain hydration
- Focus on back half of race
- Warm fluids may be more appealing

Post-Race Recovery Nutrition
What you consume in the first 30-60 minutes after finishing significantly impacts recovery.
Immediate Post-Race (0-30 minutes):
- 16-24 oz sports drink or chocolate milk
- Simple carbohydrates (banana, pretzels)
- Focus on rehydration and quick energy
Recovery Meal (1-2 hours post-race):
- 3:1 or 4:1 carbohydrate to protein ratio
- 400-600 calories depending on body size
- Include anti-inflammatory foods
Sample Recovery Meals:
- Turkey sandwich with fruit and vegetables
- Chicken and rice bowl with vegetables
- Salmon with sweet potato and salad
- Pasta with lean protein and tomato sauce
Race Day Pacing Strategy: Running Your Best Half Marathon
Proper pacing is perhaps the single most important factor determining whether you’ll have a great race or struggle through the final miles. According to multiple elite running coaches including Laura Norris and Matt Wilpers, most runners’ biggest mistake is starting too fast.
Understanding Half Marathon Pace
Half marathon pace falls in a unique zone—somewhere between your anaerobic threshold and aerobic threshold. As McMillan Running explains, this makes it a challenging pace to “feel” correctly, which is why practicing goal pace during training is absolutely essential.
Running coach Matt Wilpers notes: “The more experienced and confident the runner, the more likely they can handle the entire race at an even, aggressive pace. But you run the risk, especially if you’re less experienced, of the ‘fly and die’—when runners go out too fast, too hard, too soon, and pay for it later.”
Three Pacing Strategies
Negative Split Strategy (Recommended for Most Runners):
Start conservatively and gradually increase effort through the race. This strategy works best because it:
- Conserves glycogen in early miles
- Reduces risk of “hitting the wall”
- Allows you to pass struggling runners in final miles
- Provides psychological boost as you get stronger
Mile-by-Mile Breakdown:
Miles 1-3 (5K): Easy effort, 10-20 seconds slower than goal pace
- Focus: Stay relaxed, resist crowd excitement
- Effort level: 5/10 RPE (Rate of Perceived Exertion)
- Heart rate: 75-80% of maximum
- Key tip: Treat this as an extended warm-up
Miles 4-7 (5K to 10K mark): Settle into goal pace
- Focus: Find your rhythm, maintain steady effort
- Effort level: 6/10 RPE
- Heart rate: 80-85% of maximum
- Key tip: This should feel “comfortably uncomfortable”
Miles 8-10 (10K to 16K): Hold goal pace, slight increase acceptable
- Focus: Mental toughness becomes critical
- Effort level: 7/10 RPE
- Heart rate: 85-90% of maximum
- Key tip: Pick off runners ahead of you one by one
Miles 11-13.1 (Final 5K): Push the pace, empty the tank
- Focus: Give everything remaining
- Effort level: 8-9/10 RPE
- Heart rate: 90-95% of maximum
- Key tip: Focus on the next landmark, not the finish line
Even Pacing Strategy:
Maintain consistent pace throughout the entire race. According to Runner’s World, this works well for experienced runners who:
- Know their capabilities precisely
- Have practiced goal pace extensively
- Can resist the temptation to start too fast
- Have excellent internal pacing sense
Target Pace Calculation: Goal time ÷ 13.1 miles = Average pace per mile Example: 2-hour goal = 9:09 per mile average Allow 5-10 seconds variance per mile
Controlled Fade Strategy (Advanced Runners Only):
Some experienced runners, as noted by Coopah, intentionally run the first half slightly faster than the second half. This high-risk strategy can work if:
- You’re highly experienced with pacing
- Course has downhill finish
- Weather favors early faster running
- You have tested this in training
However, most running coaches advise against this approach for amateur runners due to high risk of “blowing up” mid-race.
Tactical Race Day Tips
According to SuperHalfs race strategy guide:
Start Line Positioning:
- Line up with runners of similar ability
- Avoid weaving through crowds (wastes energy)
- Start with pace group if targeting specific time
Running the Tangents: Certified race courses measure the shortest possible route. Running wide on corners can add significant distance to your race. Focus on taking the “race line” by cutting corners close—this can save 30-60 seconds on your finish time.
Drafting Behind Other Runners: Like in cycling, running behind other runners at similar pace can reduce wind resistance and conserve energy. Find a group running your pace and tuck in behind them, especially in windy conditions.
Aid Station Strategy:
- Slow down slightly at aid stations (saves energy from fumbling with cups)
- Grab cup from volunteer, squeeze top closed, walk while drinking
- Continue running once you’ve consumed your fluids
- Some coaches recommend walking through all aid stations for brief recovery
Mental Strategies for Tough Miles
The mental challenge of a half marathon typically peaks between miles 9-11. According to The Mother Runners coaching philosophy:
Segmenting the Race: Break 13.1 miles into manageable chunks:
- First 5K: Settle in and warm up
- Second 5K: Get to work at goal pace
- Third 5K: Push and compete
- Final 1.1 miles: Give everything left
Effective Mantras:
- “Strong and steady”
- “I trained for this moment”
- “One mile at a time”
- “Embrace the suck” (for tough miles)
- “This feeling is temporary”
Visualization Techniques:
- Imagine reeling in runners ahead like fish on a line
- Picture yourself crossing the finish line strong
- Recall your best training run and that feeling
Dealing with Difficulty: If you hit a rough patch:
- Focus only on reaching next mile marker
- Check and correct your running form
- Take gel if you haven’t fueled recently
- Remember your “why” for running this race
Common Half Marathon Training Mistakes to Avoid
Learning from others’ mistakes can save you months of setbacks and disappointment.
Training Errors
Mistake #1: Increasing Mileage Too Quickly
The most common cause of running injuries is building mileage too rapidly. Follow the 10% rule: never increase your weekly mileage by more than 10% from one week to the next.
Solution:
- Build base mileage before starting structured plan
- Be patient with progression
- Include cutback weeks (reduce mileage every 3-4 weeks)
Mistake #2: Neglecting Long Runs
Some runners skip or significantly cut short their long runs due to time constraints or fatigue. This is detrimental because long runs are the most important workout for half marathon success.
Solution:
- Prioritize weekly long run above all workouts
- Schedule long runs on days when you have adequate time
- Gradually build to 10-12 miles minimum
- Practice race pace during final miles of long runs
Mistake #3: Running Easy Days Too Hard
Many runners make the error of running their easy days at moderate effort, which prevents proper recovery and adaptation.
Solution:
- Truly easy pace should feel very comfortable
- Should be able to hold full conversation
- Don’t worry about pace—focus on effort
- Slower is better than faster on recovery days
Mistake #4: Skipping Strength Training
Many runners focus solely on running miles while neglecting strength work, which leads to:
- Increased injury risk
- Poor running economy
- Muscular imbalances
- Reduced power and speed
Solution:
- Include 2-3 strength sessions weekly
- Focus on single-leg exercises
- Strengthen glutes, hips, and core
- Perform exercises specific to running mechanics
Race Day Mistakes
Mistake #5: Starting Too Fast
This is the number one race day error. Getting caught up in excitement and adrenaline causes many runners to go out 20-30 seconds per mile faster than goal pace, which leads to suffering in the final miles.
Solution:
- Run first mile 15-20 seconds slower than goal pace
- Resist urge to keep pace with faster runners
- Remember: Can’t win race in first mile, but can lose it
- Trust your training and stick to plan
Mistake #6: Inadequate Fueling During Race
“Bonking” or “hitting the wall” in final miles often results from poor nutrition strategy.
Solution:
- Take first gel at 45-60 minutes, not when you feel tired
- Don’t wait until depleted to fuel
- Practice exact race day nutrition during training
- Have backup fuel options
Mistake #7: Wearing New Gear on Race Day
Never wear untested shoes, clothing, or equipment on race day. This can lead to blisters, chafing, and discomfort that ruins your race experience.
Solution:
- Break in race shoes for at least 50 miles beforehand
- Test all clothing during long training runs
- Save race shirt for after finish line
- Nothing new on race day—period
Mistake #8: Ignoring Weather Conditions
Failing to adjust pace expectations and hydration for weather can lead to poor performance or health issues.
Solution:
- Check forecast week before race
- Adjust goal time for extreme heat or cold
- Plan clothing and hydration accordingly
- Have backup plan if conditions are severe
Injury Prevention and Recovery
Staying healthy throughout training is just as important as the training itself.
Common Running Injuries
Shin Splints: Pain along front or inside of shin, common in newer runners or those increasing mileage rapidly.
Prevention Strategies:
- Gradual mileage increases (10% rule)
- Proper running shoes with adequate support
- Strengthen tibialis anterior and calf muscles
- Run on softer surfaces when possible
- Ice shins after runs if feeling tender
Runner’s Knee (Patellofemoral Pain): Pain around or behind kneecap, often from weak hips or poor mechanics.
Prevention Strategies:
- Strengthen glutes, hips, and quadriceps
- Focus on proper running form
- Avoid excessive downhill running
- Include single-leg strength exercises
- Don’t ignore early warning signs
IT Band Syndrome: Pain on outside of knee, common in distance runners, from tight IT band or weak hip abductors.
Prevention Strategies:
- Regular foam rolling and stretching
- Strengthen hip abductors and glutes
- Avoid excessive cambered surface running
- Proper warm-up before workouts
- Address muscle imbalances early
Plantar Fasciitis: Heel and arch pain, especially first thing in morning, from inflammation of plantar fascia.
Prevention Strategies:
- Wear supportive shoes with good arch support
- Stretch calves and feet regularly
- Replace worn running shoes (every 300-500 miles)
- Strengthen foot intrinsic muscles
- Roll foot over frozen water bottle if feeling tight
Recovery Techniques That Work
Immediate Post-Run Recovery (0-30 minutes):
- Light walking cool-down (5-10 minutes)
- Dynamic stretching while muscles warm
- Hydration and nutrition window
- Change into dry clothes promptly
Short-term Recovery (1-4 hours):
- Static stretching session (15-20 minutes)
- Elevation of legs if possible
- Ice bath or contrast water therapy (optional)
- Compression gear for improved circulation
Long-term Recovery (24-72 hours):
- Foam rolling and self-massage
- Active recovery (easy walking, cycling, swimming)
- Adequate sleep (7-9 hours nightly)
- Anti-inflammatory foods in diet
- Complete rest days as scheduled
Strength Training for Half Marathon Runners
Incorporating strength training 2-3 times per week significantly reduces injury risk and improves running economy.
Essential Lower Body Exercises:
- Single-leg squats and Bulgarian split squats
- Forward, reverse, and lateral lunges
- Deadlifts and single-leg Romanian deadlifts
- Calf raises (straight leg and bent knee variations)
- Glute bridges and hip thrusts
- Step-ups with knee drive
Critical Core Work:
- Planks (front, side, and variations)
- Dead bugs and bird dogs
- Pallof presses for anti-rotation
- Mountain climbers
- Bicycle crunches
- Hanging leg raises
Hip Stability Exercises:
- Clamshells with resistance band
- Monster walks with band
- Single-leg balance exercises
- Lateral leg raises
- Hip flexor strengthening
- Fire hydrants
Post-Race Recovery and Setting Your Next Goal
Immediate Post-Race Care (First 24 Hours)
After crossing that finish line and receiving your finisher medal, proper recovery begins immediately:
Physical Recovery Priorities:
- Continue walking for 10-15 minutes (prevent blood pooling)
- Drink 16-24 oz fluids immediately
- Consume recovery nutrition within 30 minutes
- Ice particularly sore areas
- Elevate legs when possible
First Day Protocol:
- Complete rest from running
- Light walking acceptable if feeling good
- Gentle stretching and foam rolling
- Epsom salt bath for muscle recovery
- Compression garments to reduce soreness
- Expect muscle soreness to peak around day 2-3
Recovery Timeline
Days 1-3 (Acute Recovery Phase):
- No running whatsoever
- Cross-training acceptable (easy cycling, swimming)
- Focus on nutrition, hydration, and sleep
- Massage or physical therapy if needed
- Listen to body signals carefully
Days 4-7 (Active Recovery Week):
- Return to easy running if feeling ready
- Maximum 2-4 miles at very easy pace
- No speed work or intense training
- Continue recovery modalities
- Patience is critical—don’t rush back
Weeks 2-3 (Gradual Return):
- Resume normal easy running volume
- Keep all runs at easy effort
- No long runs or hard workouts yet
- Rebuild base mileage gradually
- Total mileage should be 50-60% of peak training
Week 4+ (Full Training Return):
- Resume structured training if desired
- Can begin planning next goal race
- Reintroduce workout intensity gradually
- Return to normal progression
Setting Your Next Running Goal
After successfully completing your half marathon, several paths forward exist:
Option 1: Improve Your Half Marathon Time
Many runners find satisfaction in getting faster at the same distance:
- Take 4-6 weeks complete recovery
- Build stronger base mileage (10-15% higher than previous)
- Incorporate more speed work and tempo runs
- Target races 12-16 weeks apart
- Focus on specific weaknesses identified in first race
Option 2: Progress to Full Marathon
Ready for the ultimate road race challenge?
- Allow minimum 3-6 months between half and full marathon
- Build weekly mileage to 40-50 miles
- Extend long runs to 18-22 miles
- Requires 16-20 week training plan
- Significantly more time commitment required
Option 3: Explore Different Distances
Add variety to your running:
- Drop to 10K for speed development
- Try trail running or trail races
- Experiment with track racing (5K, mile)
- Enter local fun runs and themed races
- Keep running fresh and enjoyable
Option 4: Maintain Fitness and Enjoy Running
Not every runner needs constant goals:
- Maintain 15-25 miles per week
- Run for health, stress relief, enjoyment
- Enter occasional races without intense training
- Focus on running as lifestyle habit
- Explore different routes and locations
Frequently Asked Questions
Can you walk a half marathon?
Absolutely! Many participants complete half marathons using a run-walk method or walking the entire distance. Most half marathons have time limits of 3.5-4 hours, allowing for an average pace of 16-18 minutes per mile—a brisk walking pace.
The run-walk method, popularized by coach Jeff Galloway, involves alternating running and walking intervals throughout the race. Common ratios include:
- Run 4 minutes, walk 1 minute
- Run 3 minutes, walk 1 minute
- Run 2 minutes, walk 1 minute
This method is not only acceptable but often recommended for beginners, as it reduces injury risk while allowing you to complete the distance successfully.
How many calories do you burn running a half marathon?
The average person burns approximately 100 calories per mile of running, though this varies significantly based on body weight, pace, and running efficiency.
Estimated Calorie Burn by Body Weight:
- 130 lb (59 kg): ~1,300 calories
- 155 lb (70 kg): ~1,550 calories
- 180 lb (82 kg): ~1,800 calories
- 205 lb (93 kg): ~2,050 calories
These estimates assume moderate running pace on flat terrain. Faster paces, hilly courses, and higher body weights increase caloric expenditure. Weather conditions also play a role—hot or cold weather requires additional energy expenditure for temperature regulation.
Do I need special running shoes for half marathon training?
While not absolutely required, proper running shoes significantly reduce injury risk and improve comfort during training. Attempting to train for a half marathon in worn-out or inappropriate shoes is one of the leading causes of injury.
Essential Shoe Features:
- Adequate cushioning for your body weight and strike pattern
- Appropriate support for your arch type (neutral, stability, motion control)
- Good fit with thumb’s width space at toe box
- Replace every 300-500 miles (track your mileage!)
Getting Professionally Fitted:
Visit a specialty running store where trained staff can:
- Analyze your gait and foot strike pattern
- Assess your arch type and pronation
- Recommend shoes matching your specific needs
- Allow you to test shoes on treadmill or outside
- Provide expert advice beyond just selling shoes
Investing in proper running shoes is one of the smartest decisions you can make for injury prevention and running enjoyment.
What should my weekly mileage be during training?
Optimal weekly mileage depends heavily on your experience level and goals:
Beginner Runners:
- Starting volume: 10-15 miles per week
- Peak volume: 25-30 miles per week
- Long run: 35-40% of weekly volume
- Build gradually over 12-16 weeks
Intermediate Runners:
- Starting volume: 20-25 miles per week
- Peak volume: 35-40 miles per week
- Long run: 30-35% of weekly volume
- 8-12 week training cycle
Advanced Runners:
- Starting volume: 30-35 miles per week
- Peak volume: 45-55 miles per week
- Long run: 25-30% of weekly volume
- Can prepare in 6-10 weeks
Quality matters more than quantity. It’s better to run 25 consistent, well-planned miles per week than to sporadically hit 40 miles with poor recovery and high injury risk.
How soon can I run another half marathon?
Recovery needs vary by individual, but general guidelines based on running science suggest:
Minimum Recovery Time: 2-3 weeks before returning to normal training intensity
Ideal Time Between Races:
- Maximum effort races: 8-12 weeks apart
- Hard but controlled effort: 6-8 weeks apart
- Easy paced races: 4-6 weeks apart
Racing too frequently without adequate recovery increases injury risk and prevents performance improvements. Your body needs time to fully recover from the accumulated stress of both training and racing.
Elite runners often race more frequently, but they have years of adaptation, professional support staff, and structured recovery protocols that allow for faster turnaround.
What pace should I run my long runs?
Long runs should be performed at easy, conversational pace—typically 60-90 seconds slower than your goal half marathon race pace. This pace allows you to build endurance without excessive fatigue.
Example Long Run Paces:
- Goal race pace 8:00/mile → Long run pace 9:00-9:30/mile
- Goal race pace 9:00/mile → Long run pace 10:00-10:30/mile
- Goal race pace 10:00/mile → Long run pace 11:00-11:30/mile
Some training plans incorporate “progression long runs” where you start at easy pace and finish at goal race pace for the final 3-4 miles. This teaches your body to run on tired legs, simulating race day conditions.
Should I take rest days during training?
Yes, rest days are not optional—they’re an essential component of any training plan. During rest days, your body adapts to training stress, repairs muscle damage, and grows stronger.
Rest Day Guidelines:
- Take at least 1-2 complete rest days per week
- Schedule rest days after hard workouts or long runs
- Complete rest means no running (light walking acceptable)
- Cross-training on rest days defeats the purpose
Signs you need an extra rest day:
- Persistent fatigue that doesn’t improve with sleep
- Elevated resting heart rate (5-10 bpm above normal)
- Decreased motivation to train
- Lingering muscle soreness beyond 48 hours
- Getting sick or feeling run down
Remember: Rest days make you faster. Training breaks down your body; rest rebuilds it stronger.
What’s the difference between a 10K and half marathon?
While the half marathon is just over twice the distance of a 10K (13.1 miles vs 6.2 miles), the training and race experience differ significantly:
Distance Difference: A half marathon is 2.1 times longer than a 10K, adding 6.9 miles to what you need to cover.
Training Differences:
- 10K training: 6-8 weeks for most runners
- Half marathon training: 8-16 weeks depending on experience
- 10K peak mileage: 20-30 miles per week
- Half marathon peak mileage: 30-40+ miles per week
- 10K longest run: 6-8 miles
- Half marathon longest run: 10-12 miles
Fueling Differences:
- 10K: Generally no mid-race fueling needed
- Half marathon: May require 1-2 energy gels depending on pace
Mental Challenge: The half marathon requires significantly more mental toughness, especially in miles 10-13 when fatigue sets in.
Many runners use the 10K as a stepping stone to the half marathon, which is an excellent progression strategy.
Conclusion: Your Half Marathon Journey Awaits
The half marathon distance of 13.1 miles represents an achievable yet challenging goal for runners at all levels. From complete beginners to experienced marathoners, this distance offers the perfect balance of endurance challenge and accessibility.
Throughout this guide, we’ve covered everything you need to know to successfully train for and complete your half marathon:
Key Takeaways:
✅ The Distance: 13.1 miles or 21.1 kilometers—exactly half of a full marathon
✅ Training Duration: 8-26 weeks depending on your current fitness level and running experience
✅ Average Finish Times: 1:59 for men, 2:14 for women, with times varying significantly by age and ability
✅ Essential Training Components: Long runs, tempo runs, interval training, easy runs, and adequate recovery
✅ Nutrition Strategy: Proper daily nutrition, pre-race carb-loading, mid-race fueling (if needed), and post-race recovery
✅ Race Day Pacing: Start conservatively, settle into goal pace, finish strong with negative splits
✅ Injury Prevention: Gradual mileage increases, strength training, proper shoes, and listening to your body
✅ Recovery: Allow 2-3 weeks minimum before resuming normal training after your race
Your Action Plan:
Ready to start your half marathon training? Follow these steps:
- Choose Your Race: Select a half marathon 12-16 weeks in the future
- Assess Current Fitness: Be honest about your starting point
- Select Training Plan: Choose appropriate plan for your experience level
- Schedule Key Workouts: Block out time for long runs and quality sessions
- Get Proper Shoes: Visit running specialty store for fitting if needed
- Find Support: Join training group or find training partners
- Set Realistic Goal: Base on current fitness, not wishful thinking
- Trust the Process: Stay consistent and patient with training
Remember These Principles:
- Consistency beats intensity: Regular, moderate training produces better results than sporadic hard efforts
- Rest is training too: Recovery days make you stronger, not weaker
- Nutrition matters: You can’t out-train a poor diet
- Listen to your body: Pain is a signal, not something to ignore
- Enjoy the journey: Training should be challenging but also fun
- Race smart, not just hard: Pacing discipline leads to better results
The half marathon is more than just a race—it’s a journey of self-discovery, discipline, and achievement. Every training run brings you closer to your goal, building not just physical endurance but mental resilience and confidence that extends far beyond running.
Whether this is your first half marathon or you’re chasing a new personal record, embrace the challenge ahead. The 13.1-mile finish line awaits, and crossing it will be one of the most rewarding experiences of your running journey.
Now lace up those running shoes, commit to your training plan, and take that first step. Your half marathon success story begins today.
Good luck with your training, and see you at the finish line! 🏃♂️🏃♀️
Additional Resources for Half Marathon Training
Recommended Training Apps:
- Strava (tracking and social features)
- Garmin Connect (GPS watch integration)
- Nike Run Club (guided runs and training plans)
- Coopah (AI-adaptive training plans)
Helpful Websites:
- Runner’s World (training articles and advice)
- Marathon Handbook (comprehensive training guides)
- McMillan Running (pace calculators and training)
- Hal Higdon (free training plans)
Books for Runners:
- “Daniels’ Running Formula” by Jack Daniels
- “80/20 Running” by Matt Fitzgerald
- “Advanced Marathoning” by Pete Pfitzinger
- “The Runner’s World Big Book of Marathon and Half-Marathon Training”
Join the Running Community:
- Local running clubs for group training
- Online forums (r/running, LetsRun)
- Social media running groups
- Park runs for weekly timed 5Ks
Your half marathon journey is supported by a global community of runners who understand the challenge and triumph of covering 13.1 miles. You’re not alone in this, millions of runners worldwide are training for the same goal.
Start today, stay consistent, and enjoy every step of the journey!



