It is speed skating.The skater has to go as fast as they can .It is unknown which burns the most calories.
what i think of the sport that uses the most energy in an hour is wrestling and track and field because you use youre whole body with that sport
an Olympic sport=the skeleton
Ice hockey
Ski Jumping
Hockey
Figure Skating and the Halfpipe.
The brain uses the most energy in the body.
bodybuilding
Baseball
The skiing events, downhill, slalom, giant slalom, etc
soccer