Swimming!
also:
- Why did the Olympic torch go to the gym? To work off its wax.
- What’s a pirate’s favorite winter Olympics sport? The snowboarding arrrr!
- Why don’t skeleton racers play poker in the jungle? Too many cheetah-s.
- How do you make sure your gold medal is safe? Keep it on a neck-ar.
- What do you call a runner who can’t count? A de-cathlete.
- Why did the gymnast take a detour to the stadium? To vaulter-pike.
- What’s Usain Bolt’s favorite type of race? The 100-meter-dash.
- Why don’t weightlifters play chess? Because they’re too busy lifting their mates.