This weekend, amateur BMX riders get their last chance to compete for a spot in the first-ever BMX Dirt Finals on the Gatorade Free Flow Tour. On Saturday, August 21, amateurs 21 and under can compete in conjunction with the DK Dirt Circuit in Dayton, Ohio. This contest will send not just the winner, but the top three finishers, to the Gatorade Free Flow Tour Finals in Salt Lake City September 16-19. Stick around Sunday to watch the pros, and take notes- win in SLC,