Your Guide to Working Off Those Holiday Calories

Alexandra Sifferlin in Time:

2 slices of pumpkin pie (632 calories)

• 1 hour of running at 5 m.p.h.
• 2 hours of skiing
• 1 hour and 26 minutes of rowing
• 2 hours of walking at 3.5 m.p.h.
• 1 hour of football
• 1 hour and 43 minutes of resistance weight training

3 scoops of gravy (150 calories)

• 15 minutes of running
• 29 minutes of skiing
• 20 minutes of rowing
• 29 minutes of walking at 3.5 m.p.h.
• 16 minutes of football
• 25 minutes of resistance weight training

More here.