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The 400 metres, or 400-meter dash, is a sprint event in track and field competitions. It has been featured in the athletics programme at the Summer Olympics since 1896 for men and since 1964 for women. On a standard outdoor running track, it is one lap around the track. Runners start in staggered positions and race in separate lanes for the ...
The proper length of the first lane of a competitive running track is 400 m (1,312.3 ft). Some tracks are not built to this specification, instead being a legacy to imperial distances such as 440 yd (402.336 m), equivalent to a quarter of a mile. Prior to rule changes in 1979, distances in Imperial units were
The 440 yard race distance used imperial measurements, which have been replaced by metric-distance races. The 400 metres (400 meter or 400 m race) is the successor to the 440 yard dash. [ 5 ] An athlete who competes in the 400 m may still be referred to as 'quarter-miler' though this rounded, metric distance is 2 1/3 meters shorter than a full ...
The imperial distance was generally contested until 1983, while the metric distance has been held instead since 1984. The event was not held in 1986 and 1987. Hand timing was used until 1975 and in 1980, while during all other years since 1976 fully automatic timing was used. In 1986 and 1987, the 1 ⁄ 10-mile track that the races were run on ...
This is a list of NCAA Division I outdoor champions in the 400 meters or its imperial equivalent 440 yard dash. For men, the imperial distance was contested until 1975 excepting Olympic years starting in 1932. Metrication occurred in 1976, so all subsequent championships were at the metric distance. Hand timing was used until 1973, while ...
At exactly four laps of a normal 400 m track, this distance is raced as a near replacement for the mile (it is, in fact, 9.344 m, about 30.6 feet, shorter; however, it is still colloquially referred to as "the mile"). The 1600 meters is the official distance for this range of races in US high schools. While this race is rarely run outside high ...
Then at Morehouse College, Moses – a physics and engineer major – used math to calculate that he needed to take exactly 13 steps between hurdles to maximize efficiency in the 400-meter hurdles.
This is a list of NCAA Division I outdoor champions in the 400 meter hurdles or its imperial equivalent, the 440 yard hurdles. For men, the imperial distance was contested from 1932 to 1975 excepting Olympic years, when the metric distance was contested. Metrication occurred in 1976, so all subsequent championships were at the metric distance ...