Question: how many calories do you burn running on a treadmill for 45 minutes?
Answer: Running Calories Burned According to Harvard Medical School, a 155-pound person will burn 298 calories during a 30-minute run at 5 mph, which means the person can expect to burn about 447 calories during a 45-minute run. If you're able to maintain a pace of 7.5 mph, you'll burn about 698 calories in 45 minutes.