An American downhill MTB rider fights through every stage, chasing luck, speed and a shot at the top spot.

It's winner takes all for the DIY riders out there; from team ownership to bike building and internet success, can Aaron Gwin, Neko Mulally and Seth Alvo find success in their MTB pursuits?

An American downhill MTB rider fights through every stage, chasing luck, speed and a shot at the top spot.

It's not all fun and games on the race circuits; injuries, accidents and mental battles plague the sport with very little acknowledgement; Brook Macdonald and Evie Richards want to change that.