Land speed racing

[2] Under current FIA rules, two runs are required in opposite directions within one hour, over a timed mile and a new record mark must exceed the previous one by at least one percent to be validated.

[6] Since then, the trophy has gone to Mickey Thompson, Art Arfons, the Summers Brothers, Don Vesco, Al Teague, and ten-time winner George Poteet, among others.

[6] The 2023 trophy was awarded to Chris Raschke in Speed Demon (the team's eleventh win), with a pass of 333.35 mph (536.47 km/h).<[6] Any vehicle – car, truck, or motorcycle – able to meet the class requirements and safety regulations has been able to make an attempt to break the existing record.

She drove a six-cylinder Napier motorcar, a 100 hp (74.6 kW) development of the K5, in a speed trial in Blackpool.

[13] For 43 years, the world record was held by Kitty O'Neil with a speed of 512.710 mph (825.127 km/h), in the jet-powered SMI Motivator, set at the Alvord Desert in 1976.

[14][15][16] On August 20, 2019, 43 years later, American professional racer, television personality, and metal fabricator Jessi Combs attempted to break Kitty's long-standing world record at the age of 39 and at the same location.

He drove the Burkland family streamliner powered by two 450+ cubic inch-displacement supercharged Donovan engines (bought second-hand), with crankshafts bolted together nose-to-nose, running on methanol.

The model was tested in the Western Washington University wind tunnel, with assistance from Michael Seal.