Skiing - cross-country, 5-7.9 mph (vigorous)

This activity burns approximately 592 calories per hour

Next to racing, cross-country skiing at a vigorous pace consumes more calories than any other sport — winter or summer. Based on the terrain and each participant's fitness level, body weight and efficiency, cross-country skiers expend an exceptionally high level of energy. A 150-pound man will expend over 1,000 calories per hour.