These guys are crazy. Watch as they do anything and everything to get their bike to the top of the hill.
Jeffrey Herlings stands on the brink of his first title in the MXGP class and the fourth of his career after his thirteenth 1-1 victory of the season at the Afyon Motorsports Centre in Turkey.
Take a virtual lap through Spring Creek, the site of round eight of the 2017 Lucas Oil Pro Motocross Championship.
Jeremy McGrath takes you through the different ways Supercross riders navigate the different jumps that they come across on each track.