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From 1975, the IAAF accepted separate automatically electronically timed records for events up to 400 metres. Starting January 1, 1977, the IAAF required fully automatic timing to the hundredth of a second for these events. [1] Riitta Salin's 50.14 from 1974 was the fastest recorded result to that time.
The women's 400 metres hurdles is an outdoor track event over a distance of 400 metres with ten hurdles at the height of 76.2 cm (30 inches). [1] The world records of this women's event have been recognised by World Athletics (called the International Association of Athletics Federations until 2019) since 1974. [2]
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 ...
Sydney McLaughlin-Levrone poses with an American flag and a crown after she sets a world record of 50.37 seconds to win the gold medal in the women's 400-meter hurdles final.
Sydney McLaughlin-Levrone celebrates winning the women's 400-meter hurdles final Thursday. ... That scarcity, combined with the fast times each had produced racing others, built the anticipation ...
The women's 400 hurdles final was billed as a showdown between Bol and McLaughlin-Levrone. They are the only two women to run sub-51 seconds in the 400-meter hurdles. But McLaughlin-Levrone proved ...
The first world record in the 400 metres individual medley in long course (50 metres) swimming was recognized by the International Swimming Federation (FINA) in 1957, followed by the women a year later. In the short course (25 metres) swimming events the world's governing body recognizes world records since March 3, 1991.
A three-time title-winner at the United States Outdoor Track and Field Championships from 1996 to 1998, Bronson recorded one of the fastest 400-meter times in United States and world history ...