1999 i dont know gosh
100 meters. The entire track is 400 meters around.
If you are talking olympic track, it is 400 metres
Men's 400 meters at the 2004 Summer Olympic games.
Speed Skating
The length of an Olympic pool is 50 meters. One lap is 100 meters so 400 meters would equal 4 laps.
5000 meters would be 12.5 laps around an Olympic size (400 meters) track.
On an Olympic size track (400 meters), 25 laps = 10000 meters.
Cathy Freeman
Michael johnson
4 lenghts
Two only , gold 1964, 800 meters and silver 1964, 400 meters, both Tokyo Olympics
Roy Cochran of the United States in a time of 51.1 seconds.