A 10-mile run burns roughly 800 to 1,300 calories for most people, with your body weight being the single biggest factor in that range. A 140-pound runner will burn close to 990 calories, while a 180-pound runner covers the same distance for about 1,270 calories. The good news: your pace barely matters for total calorie burn over a fixed distance.
Calorie Burn by Body Weight
Body weight drives calorie expenditure more than any other variable. Heavier bodies require more energy to move the same distance, which is why a simple “calories per mile” estimate only works if you know someone’s weight. Here’s what the numbers look like at a 10-minute-per-mile pace (6 mph) over 10 miles:
- 120 pounds: ~850 calories
- 140 pounds: ~990 calories
- 160 pounds: ~1,130 calories
- 180 pounds: ~1,270 calories
The old rule of thumb that “running burns about 100 calories per mile” holds up reasonably well for someone around 150 to 160 pounds. If you weigh significantly more or less than that, the estimate drifts. A 120-pound runner burns closer to 85 calories per mile, while someone at 180 pounds burns roughly 127 per mile.
Why Pace Barely Changes the Total
This surprises most people: whether you run 10 miles at a relaxed jog or push a fast tempo, the total calories burned for the distance stays roughly the same. Research published in the Journal of Exercise Physiology found that the metabolic cost of covering a given distance on foot is independent of running speed. The energy cost per meter averaged a consistent value across a range of submaximal speeds.
The reason is straightforward. Running faster burns more calories per minute, but you finish sooner. Running slower burns fewer calories per minute, but you’re out there longer. These two effects cancel each other out almost perfectly over the same distance. So if your only goal is total calorie burn, a comfortable 10-mile jog accomplishes the same thing as a hard 10-mile effort.
That said, intensity does matter for other things. Faster running creates a larger “afterburn” effect, where your body continues using extra energy for hours after you stop. This post-exercise calorie burn isn’t captured in standard estimates, but it’s relatively small compared to the calories used during the run itself.
How to Calculate Your Personal Number
If you want a more precise estimate than the table above, you can use MET values (Metabolic Equivalent of Task), which represent how many times harder an activity is compared to sitting still. The 2011 Compendium of Physical Activities lists these MET values for running:
- 5 mph (12-min mile): 8.3 METs
- 6 mph (10-min mile): 9.8 METs
- 7.5 mph (8-min mile): 11.5 METs
- 10 mph (6-min mile): 14.5 METs
The formula is: MET × your weight in kilograms ÷ 60 = calories burned per minute. To convert pounds to kilograms, divide by 2.2. Then multiply your per-minute burn by however many minutes the run takes.
For example, a 160-pound person (72.7 kg) running at 6 mph: 9.8 × 72.7 ÷ 60 = about 11.9 calories per minute. At that pace, 10 miles takes 100 minutes, so 11.9 × 100 = roughly 1,190 calories. Notice this is slightly higher than the table estimate because MET calculations include your resting metabolism (calories you’d burn just existing), while some calorie trackers subtract that baseline.
Hills, Heat, and Other Variables
Flat roads and treadmills provide the most predictable calorie burn. Once you add terrain or weather, the numbers shift.
Hills make the biggest difference. For every 1% increase in grade, a 150-pound runner burns about 10 extra calories per mile, an increase of roughly 12%. A hilly 10-mile route with sustained climbs could push your total 15 to 25% higher than the same distance on flat ground. Downhill sections do reduce effort, but not enough to fully offset the cost of climbing, so a route with equal ups and downs still burns more than a flat one.
Running in heat forces your body to work harder to cool itself, which does increase calorie expenditure. But the effect is modest and temporary. As you acclimate to warm conditions over a week or two, the extra calorie cost shrinks. Cold weather can also raise calorie burn slightly as your body generates heat, though layered clothing and the warmth from running itself tend to minimize this.
Trail running generally costs more energy than road running because of uneven footing, lateral movements, and frequent pace changes. Wind resistance matters too, especially at faster speeds or on exposed routes, though it’s hard to quantify without specific conditions.
Running vs. Walking the Same Distance
If you’re comparing a 10-mile run to a 10-mile walk, running burns roughly double the calories. Walking 10 miles at a moderate pace might burn 500 to 700 calories for the same person who’d burn 1,000 to 1,300 running it. The difference comes down to biomechanics: running involves a flight phase where both feet leave the ground, which requires significantly more muscular effort than the smoother gait of walking.
This makes running one of the most time-efficient ways to burn calories through exercise. A 160-pound person would need to walk for roughly three hours to match the calorie burn of a 100-minute run covering the same 10 miles.
Why Your Watch Might Be Off
GPS watches and fitness trackers estimate calorie burn using your heart rate, pace, weight, and proprietary algorithms. These estimates can be off by 10 to 30% in either direction. Optical wrist-based heart rate sensors tend to be less accurate than chest straps, especially at higher intensities where wrist bounce and sweat interfere with readings.
If your tracker shows a dramatically different number from the MET-based calculation, the MET formula is generally more reliable for steady-state running on relatively flat terrain. Trackers do have an advantage on hilly routes, since they can account for elevation changes that a simple formula misses. For most runners tracking calories over time, consistency matters more than precision. Pick one method and stick with it so you can compare week to week, even if the absolute number isn’t perfect.