(ROCKWALL, TX – June 10, 2015) Register today for the JER Chilton YMCA at Rockwall‘s 6th Annual Dirty Rock Off-Road Sprint Triathlon, Rockwall County’s first and only mountain-bike based off-road triathlon, on Sunday, June 21, 2015. Produced by Playtri Racing, this year’s event is expected to draw more than 250 individual participants and over 30 relay teams. [...]
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