added on March 5, 2018 by Guest
The 2018 Marathon Mountain Bike National Championships, hosted by USA Cycling, will return The Iron Mountain Trail System and DeGray Lake for another year of marathon mountain bike racing. Marathon mountain bike racing is an endurance sport, typically taking place over a cross country off-road over 50 mile course. Come out and watch mountain bike racers tear up the dirt in Arkadelphia, Arkansas on May 6, 2018.
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