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Long Distance Swimming
The OMS Postal Challenge Award—started in 2009—is given to all OMS-registered swimmers who complete and enter three or more of the five USMS Postal Championship swims in a calendar year. The qualifying championship swims include the One Hour Swim, the 5 & 10-kilometer swims, and the 3000 & 6000-yard swims. […]

March 2018 OMS Quiz