The MagnaFlow Group’s brands Camburg Engineering and MagnaFlow have come on board the newly formed Unlimited Off-Road Racing program as series sponsors.
California 300 officials are pleased to announce the return of Rockford Fosgate® as a supporting sponsor for the second consecutive year. Rockford Fosgate® will be showcasing their line of purpose-built audio products at the midway during this year’s event, which will return to Barstow, California on October 4-8. In addition, the Rockford Fosgate® Polaris Ranger will be back on hand to share free merchandise with off-road racing fans!
San Diego, CA August 17th 2023 - The Martelli Brothers announced today that the 2024 UNLTD Off-Road Racing Rulebook will go into effect after the 2023 California 300 this October 4-8. The goal of the announcement is to give racers adequate time to prepare and plan for the upcoming 2024 race season.
The Martelli Brothers announced their new three race spectacle of speed for the 2024 race season today. The 2024 Unlimited Off-Road Racing Series will include The Parker 400, The BFGoodrich Tires Mint 400 and The California 300 off-road races.
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.
