Seth Enslow set by Doug Danger. He started practicing by jumping ramp jumps over kegs of beer, cars, motorcycle and other big objects at different events. In 1999, he broke Robbie Knievel's (son of Evel Knievel) record for most motorcycle jumps. However, Enslow's triple clamps broke, which disconnected his front end from the frame, resulting in Enslow diving head first into the asphalt. But Enslow was soon on his feet and even signing autographs before leaving the venue. In 1999, Enslow made his first attempt to break the overall record at fellow motocross rider Mike Cinqmars' property with a ramp designed by
Motorcycle land-speed record new category "thrust-powered" vehicles to its world record listings. Further, most people think of the tricycle "Spirit of America", now part of the permanent collection of Chicago's Museum of Science and Industry, as a "car" and not a motorcycle. a. At the time, it had been the accepted practice that the F.I.M would require the American Automobile Association to carry out official timing for any run in the USA. However shortly before the record attempt the A.A.A. had withdrawn from controlling motor sport, leaving no official body representing the F.I.M.. Although every effort had been made to show the impartiality