File:Participants of the 15th annual Go Tri Sports South Carolina Triathlon Series swim the 500-meter portion in the Combat Swim Tank on Marine Corps Recruit Depot Parris Island, S.C., March 16, 2012
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23 Thoughts Your Lap Counter Has During the 500 Freestyle
:max_bytes(150000):strip_icc()/120503060-56a9250f3df78cf772a42283.jpg "Swimming Workouts - Build to a 500 Meter or Yard Swim")
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