Red Bull motocross videos – Ride Out with Ronnie Renner: All Roads Lead to Dumont. Fresh off Camp RZR in Glamis, CA, Ronnie Renner and the boys load up for Dumont Dunes in search of the best riding spots. After ripping on their motorcycles, Ronnie invites Drifting Legend Tyler Mcquarrie to join him for some fun in the Polaris RZRs.