Image The USA Cycling Gravity National Championships began with muddy Cat 2 and 3 competitions Friday morning. Racers were greeted with rotor-deep ruts, muddy roots, and slippery, off-camber grass runs. Credit Kristian Jackson Use keyboard arrow keys to browse the gallery. Swipe to browse the gallery. Prev Next 1 of 16Autoplay Autoplay SlowMedFast Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter sspomer 9/25/2011 8:58am Share to Facebook Facebook Facebook Share to Twitter Twitter Twitter