Jessi Combs Dies: Tributes Pour in After ‘Mythbusters’ Star Dies in Crash

Co-host Jessi Combs speaks at the 'Overhaulin' discussion panel during the Discovery Networks/Velocity portion of the 2012 Summer Television Critics Association tour at the Beverly Hilton Hotel in Los Angeles, California on Aug. 2, 2012. Photo by Frederick M. Brown/Getty Images

Jessi Combs, who appeared in “Mythbusters,” died during an attempt to break the land speed record in Oregon. She was 36.

Combs was trying to hit 619 mph, Autoblog reported. It’s not clear how fast she was going during her attempt.