Bubba Blackwell Bubba Blackwell Bubba Blackwell is an American stunt performer and motorcycle jumping world record holder who is sponsored by and promoted by Harley-Davidson Motorcycles. Prior to his association with Harley-Davidson, Blackwell was sponsored by the now-defunct Buell Motorcycle Company (Buell was partnered with Harley-Davidson Motorcycles before becoming defunct in October, 2009). Blackwell is best known for breaking Evel Knievel's jump record for buses using a Harley-Davidson XR-750 flat-track racing motorcycle. Bubba Blackwell began his career on April 26, 1998, when he jumped 20 cars in Everett, Massachusetts, breaking the 19 car record held by Evel Knievel. The following year, on
Marathon world record progression world record ratification should an application be made." The IAAF recognizes two world records for women, a time of 2:15:25 set by Paula Radcliffe on April 13, 2003 during the London Marathon which was contested by men and women together, and a "Women Only" record of 2:17:01, set by Mary Keitany, on April 23, 2017 at the London Marathon for women only. In order for a performance to be ratified as a world record by the IAAF, the marathon course on which the performance occurred must be long, measured in a defined manner using the calibrated bicycle method and meet