Jet-car speed racer Jessi Combs has died in a crash in Oregon's Alvord Desert while trying to break a speed record.
The Harney County Sheriff's Office confirmed Wednesday that Combs died in a crash in a dry lake bed on Tuesday. Sheriff's Lt. Brian Needham says the cause of the accident is under investigation.
According to Car and Driver, the 36-year-old Combs is widely known in racing circles as the "fastest woman on four wheels" and broke a record in 2013 with a run of 393 mph (632 kph).
The Long Beach, California, resident said on Instagram on Sunday that she wanted to break 512 mph (823 kph).
She wrote, "People say I'm crazy. I say thank you."
Combs also appeared on TV shows including Discovery's "Mythbusters."