Burn 2,000 Calories on the Treadmill Stay slim on your treadmill all season with this 7-day plan from Jenny Hadfield, author of Running for Mortals

Monday Power walk: 30 minutes Strength-train: 20 minutes Total: 50 minutes Tuesday Warm up: Walk easily, then briskly: 3 minutes Power walk: 2 minutes Run fast (but don’t sprint): 2 minutes Repeat Steps 1 & 2: 10 times Cool down: Walk easily: 2 minutes Total: 45 minutes Wednesday Warm up: Walk easily: 5 minutes Do your favorite strength..