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High jump would be pretty good
I don't know, but the amount of steps needed to run 100m would be about 3. The power used in push-off would make or break every race. Long-jumpers and high jumpers would probably convert well to 'sprints' in moon gravity.
Shot putters would have a chance to excel in the sprints (and maybe distance races as well) since they can generate huge amounts of power and acceleration and their large masses wouldn't be an issue on the Moon.
Maybe you'd have more white wide receivers.