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In November 2019, World Athletics (WA; formerly IAAF) also deleted several long-distance events (track distances of 20,000 metres, 25,000 metres and 30,000 metres and road distances of 15 km, 20 km, 25 km and 30 km) from the world record books.
The following progression of low-altitude records therefore starts with Hines's low-altitude "record" when the IAAF started to recognise only electronic timing in 1977, and continues to Lewis's low-altitude performance that equalled the high-altitude world record in 1987. (Ben Johnson's 9.95 run in 1986 and 9.83 run in 1987 are omitted.)
Masters athletics is a class of the sport of athletics for athletes of over 35 years of age. The events include track and field, road running and cross country running.These are the current world records in various five-year-groups, maintained by WMA, the World Association of Masters Athletes, which is designated by the World Athletics (formerly IAAF) to conduct the worldwide sport of Masters ...
View history; Tools. Tools. move to sidebar hide. Actions ... Track events. 50 metres 60 ... Progression of IAAF World Records
World, area, and national records have been set at the championships over the course of its history. Competitors at the World Championships come from around the globe and records have been broken by athletes from all six continents. The United States has been the most successful competitor at the World Championships in both medals and records.
Ben Johnson beat Lewis in the 1987 final, but his win and record were subsequently rescinded after his admission to long-term steroid use. [2] Lewis's mark, which equalled the standing record at the time, was never officially ratified by the IAAF as a world record. The women's world record has not yet been beaten at the championships.
A peak of five world records came at the 1993 Championships. The most recent world record was in the Mixed 4 × 400 metres relay in 2023, when the US team set a time of 3:08.80. World records have become less common as the history of the event has expanded, with no world records set in the 1997, 2001, 2007 or 2013 editions.
The IAAF maintained separate records for 200 m over a straight track and over a curved track until 1976, when records for the former were discarded. The IAAF ratified the first record for 200 m on a curved track in 1951. "y" denotes times for 220 yards (201.17 m) which were also ratified for the event.