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The California 300

California 300 Race Registration Opens This Thursday at 10am PST

Race registration for the 2023 California 300 opens this Thursday, April 20th at 10am PST. The second annual race event marks the return to the well known OHV recreation, racing and testing area in Barstow, California. Race registration will once again utilize the Off-Road Racer registration system, so if you already have an Off-Road Racer profile, you are ready to register. Please review the Race Registration Guide to familiarize yourself with the process. You may pay their entry in full up front or opt to use The California 300 payment plan. There will be a draw for qualifying & race start positions in 2023.

March 9, 2023
Kilian Hamlin
UNLTD The Mint 400 The California 300

Martelli Brothers and Dave Cole Announce New Triple Crown Series

King of the Hammers and Hammerking Productions owner and CEO Dave Cole, and The Mint 400 and The California 300 owners Matt and Josh Martelli announced today that they have structured a brand new, three-race, championship points series dubbed the “Unlimited Off-Road Racing Triple Crown Championship”. The announcement comes as King of the Hammers racers are undergoing their preparations for intense race action beginning the last weekend in January, of 2023.

Jan. 17, 2023
Kilian Hamlin
UNLTD The California 300

California 300 UTV World Championship Youth Races Celebrate Future Off-Road Stars

The final day of action at the inaugural California 300 kicked off on Saturday morning with the UTV World Championship Youth Races, a slate of four separate rounds on the event short courses in Barstow. Dozens of talented young racers packed the entry lists, with some drivers even pulling double duty as they looked to become the first winners in the history of the new event.

Oct. 15, 2022
Kilian Hamlin
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