MX riders including Jorge Prado, Jeffrey Herlings and Antonio Cairoli share how they got started in the sport and, as the 2018 championship heads to the notorious Belgium track, the rivalry between teammates Cairoli and Herlings intensifies.

Motocross riders talk about how the support of their families, who sometimes sacrifice everything to provide the financial funding needed to reach the top, inspires and drives them, even when they're a long way from home.

In the past few decades the world of motocross has grown from a dozen championships, mostly in Europe, to more than 20 races in 16 countries worldwide. The physical and financial costs and rewards are huge. Riders and managers share some stories.

Jeffrey Herlings has passed living legend Antonio Cairoli on the track this year, but is he prepared to take on the pressure of being the sport's public ambassador? Winning is its own reward, but it also brings a new set of mental challenges.

Family, friends, fans and Tony Cairoli talk about the bond between Tony and his late father Benedetto, the driving force behind Tony's career. Now Tony is able to pass on his wisdom to young rider Jorge Prado who recently joined the team.

The only event where American and European riders face-off on the same track is at the annual Motocross of Nations. Relive the hotly anticipated 2018 contests between MX2's Jorge Prado and Aaron Plessinger, and MXGP's Jeffrey Herlings and Eli Tomac.