Milestone has released the second developer’s diary on their new IP, Gravel. This five minute video details the career mode, Off-Road Masters, and the Gravel Channel, a fictional TV network that you, the player, will be on. The video also talks about the four ‘disciplines’ Gravel will have for its tracks, which are essentially different track types to race on.
If you’re interested, make sure to watch the Gravel dev diary:

Milestone has more about the four disciplines and the Off-Road Masters:
[T]he players will fight against the champion of that discipline, the so-called Off-Road Master, while they proceed in the career. Four champions for four disciplines, Cross Country, Wild Rush, Speed Cross and Stadium Circuit, and each champion mirrors the spirit of their discipline. Players will have to fight to defeat the Off-Road Masters and win their titles. Once the championship is over, players can take part in a definitive challenge to beat the reigning Off-Road Master of all disciplines in the Final League. The second dev diary also offers an exclusive, in-depth look into the 4 disciplines, their design and the artistic studies beyond them. Cross Country tracks are set in huge areas with different layouts, for competing in checkpoint races where players have one chance to finish first: these races offer a unique adrenaline that cannot be repeated in the second lap. Racing on Wild Rush will be totally different: lap races in the wildest locations i...