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).
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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."