Arena Pro Swim Series Orlando - Michael Phelps in the 100m Fly (Video)

The Arena Pro Swim League was in Orlando, Florida this past weekend. With a big-name swimmers hitting the water in their battle to be top of the leader boards. Michael Phelps started off with a 53.07 in the 100 meters butterfly heats and USA Swimming were there to catch it on video.

In this Olympic year, the Arena Pro Swim series and other such large-scale competitions are an important proving ground for many USA and international athletes. These are the events where they'll be testing their competitive skills and race-day tactics ahead of the big event in August.

Watch Michael Phelps' performance in the 100m Butterfly heats wearing the signature MP XPRESSO jammers - Available now at ProSwimwear: