50 metres hurdles
Encyclopedia
50 metres hurdles is a distance in hurdling
Hurdling
Hurdling is a type of track and field race.- Distances :There are sprint hurdle races and long hurdle races. The standard sprint hurdle race is 110 meters for men and 100 meters for women. The standard long hurdle race is 400 meters for both men and women...

, usually only run in indoor competitions. It is usually an alternative to the 60 metres hurdles
60 metres hurdles
60 metres hurdles is a distance in hurdling which is generally run in indoor competitions. It is equivalent with the first 60 metres including the first 5 hurdles of a standard outdoor hurdle race. The current women's and men's world records are 7.68 seconds and 7.30 seconds ,...

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