Calories Burned Running a Half Marathon: By Weight, Time and EPOC
How many calories does a half marathon burn? Full 13.1 mile tables by body weight and finish time. Covers 150 lb runners, race day burn, EPOC afterburn, fueling calories, female burn, and 2-hour half marathons.
Running a half marathon (13.1 miles / 21.1 km) burns between 1,166 and 2,096 calories, set by body weight and finish time. A 154 lb (70 kg) runner completing a half marathon burns approximately 1,470 calories. The half marathon calorie burn doubles the 10K output and halves the full marathon total.
Use the running calorie calculator for a half marathon figure across weight, pace, and finish time. The running calories hub links every distance from 1 mile to marathon. To set race-week intake against your baseline, open the TDEE calculator.
This page covers calories burned 13.1 miles running by weight, the half marathon calorie burn at 2 hours, race-day output, EPOC afterburn, fueling calories, training burn, female burn, and weight loss. Figures use MET data from the 2024 Adult Compendium of Physical Activities.
How Many Calories Does a Half Marathon Burn by Body Weight?
Running a half marathon burns 1,166 to 2,096 calories depending on body weight. The calories burned 13.1 miles running scale linearly across the distance.
Body Weight | Calories Burned (Half Marathon, 13.1 mi) |
|---|---|
120 lb (54 kg) | 1,166 kcal |
130 lb (59 kg) | 1,258 kcal |
140 lb (64 kg) | 1,362 kcal |
150 lb (68 kg) | 1,467 kcal |
154 lb (70 kg) | 1,470 kcal |
170 lb (77 kg) | 1,651 kcal |
185 lb (84 kg) | 1,769 kcal |
200 lb (91 kg) | 1,900 kcal |
220 lb (100 kg) | 2,096 kcal |
MET-based, 2024 Adult Compendium of Physical Activities. Flat course, gross calories.
Half marathon calorie burn 150 pound runner: approximately 1,467 kcal across 13.1 miles. A 220 lb runner burns roughly 67% more than a 130 lb runner over the same course. Body weight stays the single largest variable in half marathon calorie burn by weight.
How Many Calories Burned Half Marathon at 2 Hours?
A 2-hour half marathon equals a 9:09 per mile pace (6.6 mph), a common recreational finish. A 154 lb runner completing the calories burned half marathon 2 hours window burns approximately 1,470 kcal, or about 735 kcal per hour.
Finish time changes total burn by only 5 to 10%, because distance is fixed. The table compares finish times for a 154 lb runner.
Finish Time | Pace | Avg Speed | Calories (70 kg) |
|---|---|---|---|
1:30 (fast) | 6:52/mi | 8.7 mph | 1,520 kcal |
1:45 (brisk) | 8:00/mi | 7.5 mph | 1,500 kcal |
2:00 (average) | 9:09/mi | 6.6 mph | 1,470 kcal |
2:15 (moderate) | 10:18/mi | 5.8 mph | 1,445 kcal |
2:30 (beginner) | 11:27/mi | 5.2 mph | 1,425 kcal |
Gross calories, flat course.
The half marathon race calories burned vary by under 100 kcal across a 1-hour finish-time range. A faster half marathon raises calories per minute, but covers 13.1 miles in less time. Distance and body weight dominate the half marathon calorie burn.
How Much EPOC Afterburn Does a Half Marathon Add?
EPOC calories burned after half marathon add 75 to 220 calories beyond the race, depending on intensity. EPOC (excess post-exercise oxygen consumption) is the energy spent on muscle repair, glycogen refill, and return to baseline.
A half marathon raises metabolic rate for several hours after the finish, shorter than the marathon window. The EPOC range by effort:
Easy effort (2:30+ finish): approximately 5 to 8% of race calories, or 75 to 120 kcal
Moderate effort (2:00 finish): approximately 8 to 12% of race calories, or 120 to 175 kcal
Hard effort (sub-1:45 finish): approximately 12 to 15% of race calories, or 175 to 220 kcal
For a 154 lb runner burning 1,470 kcal in the race, EPOC adds roughly 120 to 220 kcal. The afterburn supports recovery rather than weight loss. The full calories burned running marathon page covers the larger EPOC effect at 26.2 miles.
How Many Calories Does Half Marathon Fueling Require?
Half marathon fueling calories matter less than marathon fueling, because glycogen rarely runs out over 13.1 miles. Stored glycogen provides 1,600 to 2,000 kcal, more than the half marathon calorie burn for most runners under 200 lb.
Standard fueling guidance across the race timeline:
Pre-race (night before): a normal carbohydrate-rich meal, no full carb loading needed
During the race: 30 to 60 grams of carbohydrate per hour for runs over 75 minutes
Recovery (first 2 hours): carbohydrate plus protein to refill glycogen and repair muscle
A 154 lb runner finishing in 2 hours benefits from one or two gels (30 to 60 grams of carbs) during the race. Runners under 90 minutes often need no mid-race fuel. The half marathon fueling target prevents late-race fade, not full glycogen depletion.
How Many Calories Does Training for a Half Marathon Burn?
Calories burned training for half marathon accumulate across a 10 to 14 week plan. A standard plan combines easy runs, long runs, and speed work, building weekly mileage from 15 to 30 miles.
Weekly training burn for a 154 lb runner across plan phases:
Training Phase | Weekly Mileage | Weekly Calories (70 kg) |
|---|---|---|
Base (weeks 1 to 4) | 15 miles | 1,690 kcal |
Build (weeks 5 to 9) | 22 miles | 2,475 kcal |
Peak (weeks 10 to 12) | 30 miles | 3,375 kcal |
Taper (final 2 weeks) | 18 miles | 2,025 kcal |
Based on 112 kcal per mile at 154 lb, 6 mph average.
A full 12-week half marathon plan burns approximately 28,000 to 32,000 calories for a 154 lb runner. That output equals roughly 8 to 9 lb of fat across the training block. The calories burned running a 10K page covers the shorter race many half marathon plans use as a tune-up.
How Many Calories Does a Half Marathon Burn for Female Runners?
How many calories half marathon female runners burn depends on body weight, not sex. The MET formula applies weight in kilograms with no sex-specific adjustment. At common female body weights:
Female Body Weight | Calories Burned (Half Marathon) |
|---|---|
120 lb (54 kg) | 1,166 kcal |
130 lb (59 kg) | 1,258 kcal |
140 lb (64 kg) | 1,362 kcal |
150 lb (68 kg) | 1,467 kcal |
160 lb (73 kg) | 1,528 kcal |
170 lb (77 kg) | 1,651 kcal |
A 150 lb female runner completing a half marathon burns approximately 1,467 kcal. A male runner at the same weight and pace burns the identical figure. Reported gaps reflect typical weight differences, not sex-specific metabolism.
How Many Calories for Half Marathon Weight Loss?
Half marathon weight loss how many calories depends on the deficit across training, not the single race. The race burns approximately 1,470 kcal for a 154 lb runner, equal to roughly 0.4 lb of fat.
The training block drives the real change:
A 12-week plan burns approximately 28,000 to 32,000 kcal for a 154 lb runner
That equals roughly 8 to 9 lb of fat if intake stays constant
Appetite often rises with mileage, so tracking intake protects the deficit
Half marathon training supports steady fat loss when paired with controlled eating. The single race contributes a meaningful but small share of the total. For lower mileage, see calories burned running 5 miles.
Frequently Asked Questions About Calories Burned Running a Half Marathon
How Many Calories Does a Half Marathon Burn?
A half marathon burns 1,166 to 2,096 calories depending on body weight. A 130 lb runner burns approximately 1,258 kcal, a 154 lb runner burns approximately 1,470 kcal, and a 200 lb runner burns approximately 1,900 kcal across the full 13.1 miles.
How Many Calories Does a Half Marathon Burn for a 150 Pound Runner?
A 150 lb (68 kg) runner burns approximately 1,467 calories running a half marathon. The figure rises with body weight and stays stable across finish times, because pace moves the total by only 5 to 10% over a fixed 13.1-mile distance.
Does a Half Marathon Burn Extra Calories After the Race?
A half marathon adds 75 to 220 EPOC afterburn calories beyond the race, depending on intensity. Metabolic rate stays elevated for several hours during recovery. The afterburn is smaller than a full marathon and supports recovery rather than weight loss.
How Should You Fuel During a Half Marathon?
Half marathon fueling targets 30 to 60 grams of carbohydrate per hour for runs over 75 minutes. Runners under 90 minutes often need no mid-race fuel, because stored glycogen covers 1,600 to 2,000 kcal. Full carb loading is unnecessary for 13.1 miles.
Is a Half Marathon Good for Weight Loss?
A single half marathon burns 1,166 to 2,096 calories, equal to roughly 0.3 to 0.6 lb of fat. The 12-week training block burns far more, around 28,000 to 32,000 kcal for a 154 lb runner. Sustainable loss comes from consistent training plus controlled intake. For the full distance, see calories burned running a marathon.