He has updated his Facebook page with the following message: "Soo incredibly lost and devistated my thoughts and prayers go out to all the familys and friends involved.. Thank you too all my friends for sticking with me even thru these tragic times I love you all."
Phone and e-mail messages left for the race organizer, South El Monte-based Mojave Desert Racing, were not immediately returned.
Off-road racer Wayne Nosala, the regional director for California Off-Road Vehicle Association, said he is worried that the accident might mean an end to the sport.
"California is one of the only states that allows this type of activity, and it's one of the last frontier areas where we can actually go out and race these cars and compete," he said. "It could severely constrain us to the point where we can't even race."