Q:

How many calories do you burn if you run 2.5 miles in 30 minutes?

A:

A 2.5-mile, 30-minute run translates to approximately 244 calories burned for a person who weighs 125 pounds, according to Harvard Health Publications. If the runner weighs 155 or 185 pounds, the number of calories burned increases to 298 or 350 calories, respectively.

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Of course, the amount of calories a person burns varies based on many factors. The more a person weighs, for example, the more calories she burns. This also applies to running speed and intensity. Running on tough terrains such as hills and trails burns more calories. On the flip side, slower runs on flat surfaces result in fewer calories burned.

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Related Questions

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A 180 pound person would need to walk three miles over the course of an hour every day for three months to burn 10 pounds worth of calories, according to calculations from the University of Maryland Medical System. Walking at a faster pace can burn more calories.

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Since 3,500 calories equals 1 pound of fat, a 180-pound person is able lose 1 pound by walking 35 miles, according to About.com. Every mile walked burns 100 calories for a person who weighs 180 pounds, and 65 calories per mile for a 120-pound person.

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The precise number of calories a person burns when lifting weights depends on theÂ duration and a person's weight.Â A 125 pound person working out for 30 minutes can expect to lose 90 calories; a 155 pound person, 112 calories; and a 185 pound person, 133 calories, according to the Harvard Medical School website.