How Many Calories Does A 5K Burn? (And 10K, Half Marathon, Marathon)

How many calories does a 5K burn? A 70kg (154lb) runner burns approximately 330-355 calories running a 5K. The exact number depends on your weight, pace, and running efficiency.

This guide covers calorie burn for all major race distances with detailed tables and calculators.

Calories Burned Running a 5K (3.1 miles)

Quick answer: A 5K burns 260-460 calories depending on your weight.

5K Calorie Burn Table

Weight	25:00 (5:00/km)	30:00 (6:00/km)	35:00 (7:00/km)
55kg (121lb)	269 cal	260 cal	279 cal
60kg (132lb)	293 cal	283 cal	305 cal
65kg (143lb)	318 cal	307 cal	330 cal
70kg (154lb)	342 cal	330 cal	355 cal
75kg (165lb)	367 cal	354 cal	381 cal
80kg (176lb)	391 cal	378 cal	406 cal
85kg (187lb)	415 cal	401 cal	432 cal
90kg (198lb)	440 cal	425 cal	457 cal

Get your exact number: Use our 5K Calorie Calculator

5K Calorie Facts

Average burn: 280-410 calories for most runners (60-80 kg)
Equivalent to: 1 candy bar, 1 large banana + yogurt
Burns same calories whether you run fast or slow (pace mainly affects time)
Popular "active calorie" target for daily exercise

Calories Burned Running a 10K (6.2 miles)

Quick answer: A 10K burns 520-915 calories depending on your weight.

10K Calorie Burn Table

Weight	50:00 (5:00/km)	60:00 (6:00/km)	70:00 (7:00/km)
55kg (121lb)	538 cal	519 cal	559 cal
60kg (132lb)	587 cal	566 cal	609 cal
65kg (143lb)	635 cal	614 cal	660 cal
70kg (154lb)	684 cal	661 cal	711 cal
75kg (165lb)	733 cal	708 cal	762 cal
80kg (176lb)	782 cal	755 cal	813 cal
85kg (187lb)	831 cal	802 cal	863 cal
90kg (198lb)	880 cal	850 cal	914 cal

Get your exact number: Use our 10K Calorie Calculator

10K Calorie Facts

Average burn: 570-810 calories for most runners (60-80 kg)
Equivalent to: 1 fast food meal, 1 large pizza slice + drink
Double the 5K distance, double the calorie burn
Excellent distance for meaningful calorie expenditure without excessive time commitment

Calories Burned Running a Half Marathon (13.1 miles / 21.1 km)

Quick answer: A half marathon burns 1,120-1,860 calories depending on your weight.

Half Marathon Calorie Burn Table

Weight	1:45:00 (5:00/km)	2:00:00 (5:41/km)	2:15:00 (6:24/km)
55kg (121lb)	1,134 cal	1,120 cal	1,127 cal
60kg (132lb)	1,238 cal	1,222 cal	1,229 cal
65kg (143lb)	1,341 cal	1,324 cal	1,332 cal
70kg (154lb)	1,444 cal	1,426 cal	1,434 cal
75kg (165lb)	1,547 cal	1,527 cal	1,537 cal
80kg (176lb)	1,650 cal	1,629 cal	1,639 cal
85kg (187lb)	1,753 cal	1,731 cal	1,741 cal
90kg (198lb)	1,856 cal	1,833 cal	1,844 cal

Get your exact number: Use our Half Marathon Calorie Calculator

Half Marathon Calorie Facts

Average burn: 1,220-1,650 calories for most runners (60-80 kg)
Equivalent to: 4-5 regular meals worth of energy
Requires in-race fueling for most runners
Burns more than most people's daily "extra" calorie needs

Calories Burned Running a Marathon (26.2 miles / 42.2 km)

Quick answer: A marathon burns 2,240-3,710 calories depending on your weight.

Marathon Calorie Burn Table

Weight	3:30:00 (5:00/km)	4:00:00 (5:41/km)	4:30:00 (6:24/km)
55kg (121lb)	2,269 cal	2,240 cal	2,254 cal
60kg (132lb)	2,475 cal	2,444 cal	2,459 cal
65kg (143lb)	2,681 cal	2,648 cal	2,663 cal
70kg (154lb)	2,888 cal	2,851 cal	2,868 cal
75kg (165lb)	3,094 cal	3,055 cal	3,073 cal
80kg (176lb)	3,300 cal	3,259 cal	3,278 cal
85kg (187lb)	3,506 cal	3,462 cal	3,483 cal
90kg (198lb)	3,713 cal	3,666 cal	3,688 cal
100kg (220lb)	4,125 cal	4,073 cal	4,098 cal

Get your exact number: Use our Marathon Calorie Calculator

Marathon Calorie Facts

Average burn: 2,450-3,300 calories for most runners (60-80 kg)
Equivalent to: An entire day's worth of eating for many people
Requires significant in-race fueling (gels, drinks, food)
More calories than can be replaced during the race—you'll finish in caloric deficit

Comparing Race Distance Calories

Side-by-Side Comparison (70kg Runner)

Distance	Calories Burned	Equivalent Food
5K	330 cal	1 muffin
10K	661 cal	1 fast food meal
Half Marathon	1,426 cal	4-5 hours of eating
Marathon	2,851 cal	Full day of food

Calories Per Kilometer/Mile

Weight	Calories/Km	Calories/Mile
55kg	52-56	83-90
65kg	61-66	99-106
75kg	71-76	114-123
85kg	80-86	129-139

The per-distance calorie burn is relatively consistent regardless of pace—the main variable is body weight.

Training vs Race Day Calories

Per kilometer, the calculator gives about the same burn at race pace as at an easy pace. Race day can add a little on top through factors the formula does not model:

Factor	Impact
Adrenaline/stress	+3-5% metabolic increase
Less efficient (nervous)	+2-5%
Warm clothing (if cold)	Variable

Example: 5K Training vs Racing (70kg)

Scenario	Calories
Easy 5K training run (6:30-7:00/km)	343-355 cal
5K race effort (20-25 min)	333-342 cal
5K race with 2-3 km easy warmup/cooldown	480-550 cal

Weight Loss: How Many 5Ks to Lose a Pound?

Since 1 pound of fat ≈ 3,500 calories:

Weight	5Ks to Lose 1 lb	10Ks to Lose 1 lb
60kg	12	6
70kg	10-11	5-6
80kg	9	4-5
90kg	8	4

This assumes running is your only calorie deficit source. Combining with diet is more practical:

5K run (about 330 cal) + 170 cal diet reduction = 500 cal/day deficit
= 1 lb per week without excessive running

Race Fueling Based on Calories

When to Fuel

Distance	Fueling Needed?
5K	No—body has sufficient glycogen
10K	Usually no—water may be enough
Half Marathon	Yes—30-60g carbs during race
Marathon	Essential—60-90g carbs per hour

Half Marathon Fueling Guide

Start taking fuel at 45-60 minutes
Consume 30-60g carbs per hour (1-2 gels)
Take with water at aid stations
Practice in training first

Marathon Fueling Guide

Begin fueling from first hour
Target 60-90g carbs per hour
Mix gels, drinks, and real food
Plan intake for ~500-600 calories total

Calculate Your Race Calories

Use our distance-specific calculators:

For any distance, use our general Running Calorie Calculator.

Post-Race Recovery Nutrition

After burning significant calories, proper recovery matters:

Post-5K/10K

Consume 200-400 calories within 30-60 minutes
Mix of carbs and protein (3:1 ratio)
Rehydrate with water or electrolyte drink

Post-Half Marathon

Consume 400-600 calories within 2 hours
Higher carb focus initially
Add protein for muscle repair
Continue eating normally the rest of the day

Post-Marathon

Consume 500-800 calories within 2 hours
You cannot replace all calories immediately—eat normally for days
Focus on nutrient-dense foods
Expect increased hunger for 2-3 days

The EPOC Bonus

Beyond the race itself, you continue burning elevated calories:

Distance	EPOC Duration	Bonus Calories
5K (race)	2-4 hours	20-40 cal
10K (race)	4-8 hours	40-80 cal
Half Marathon	8-16 hours	80-150 cal
Marathon	24-48 hours	150-300 cal

This "afterburn effect" adds to your total calorie expenditure but shouldn't be overestimated for weight planning.

Key Takeaways

Weight is the primary factor: Heavier runners burn more calories
Pace matters less than you think: You burn similar calories per distance regardless of speed
Distance matters most: Longer races = more calories burned
Fueling is essential for long races: Plan your intake for half marathons and marathons
Recovery nutrition matters: Refuel properly after significant calorie expenditure

For more on using running for weight management, see: Running For Weight Loss - Calculator Guide.

Visit our Running Calculators hub for all our free running tools.