A 200 pound person will burn about 750 calories and a 150 pound person will burn about 560 calories. On a flat level surface, a 200 pound person running 5 miles will burn: 792 calories at 5mph (60 minutes), 780 calories at 6mph (50 minutes), 744 calories at 7mph (42.5 minutes), and 704 calories at 8mph (37.5 minutes). In the same scenario, a 150 pound person will burn: 594 calories at 5mph, 585 calories at 6mph, 558 calories at 7mph, and 528 calories at 8mph.