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 Motorcycle land-speed record The motorcycle land-speed record is the fastest speed achieved by a motorcycle on land. It is standardized as the speed over a course of fixed length, averaged over two runs in opposite directions. These are special or modified motorcycles, distinct from the fastest production motorcycles. The first generally recognized motorcycle speed records were set unofficially by Glenn Curtiss, using aircraft engines of his own manufacture, first in 1903, when he achieved at Yonkers, New York using a V2, and then on January 24, 1907 on Ormond Beach, Florida, when he achieved using a V8 housed in a