15 Aug Steve Simmons: Michael Phelps may dominate pool, but Usain Bolt in a class of his own. Michael Phelps or Usain Bolt? The swimmer or the. 17 Apr Michael Phelps is back in the pool this week for the Arena Pro Swim Series in Arizona. It's his first time in competition after a six-month ban from. 50 ways to jump into a swimming pool [infographic], be sure to try some of these ( safe options!) out to get the most out of your swimming experience this summer!.