4. Walk on a treadmill at an incline for an hour. I am 6-feet tall and 200 pounds, and when I walk at 4 mph and a 6 percent incline, I burn about 1,000 calories an hour. So one way to reach your goal is to do this for 5 hours (adjusting for your calorie burn based on your own research).
Note that this activity is the go-to exercise for contestants on The Biggest Loser. It’s not shown for more than 1 percent of the television show, but contestants have admitted that it’s what they spend most of their time doing.