The world record is currently held by Michael Johnson of USA, who ran it in 43.18 seconds
Wayde van Niekerk of South Africa holds the men's record for the 400 meters at the Olympics, with a time of 43.03 seconds set in 2016. Shaunae Miller-Uibo of the Bahamas holds the women's record with a time of 48.36 seconds set in 2016.
Muhammed Anas holds the Indian record for the 400 meters sprint with a time of 45.24 seconds. He set this record in 2019.
Woman's 800 meters freestyle world record holder (long course) July 27, 1987-August 19, 1987,Woman's 800 meters freestyle world record holder (long course) March 22, 1988-August 16, 2008,Woman's 1500 meters freestyle world record holder (long course) July 31, 1987 - June 17, 2007,Woman's 400 meters freestyle world record holder (long course) December 20, 1987-May 12, 2006
The current world record holder in the 400m is Wayde van Niekerk from South Africa, with a time of 43.03 seconds set at the 2016 Rio Olympics.
400 meters
she won the 400 meters
Lee Evans broke Milkha Singh's 400 meter world record, in the 1968 Olympics. The current record holder is Michael Johnson.
100 meters. The entire track is 400 meters around.
The Olympics uses a track of 400 meters in length, as measured in lane 1.
The women's 400 meter freestyle is divided up into long and short competitions. The holder of the long course record is Ethelda Bleibtrey, and the holder of the short course record is Astrid Strauss
100 meters 110 meter hurdles 200 meters 400 meters 800 meters 1,500 meters 3,000 meters 5,000 meters 10,000 meters Marathon (42.195 kilometers)
James LuValle of the United States.
400 Meters - J. T. Scheuerman, Littleton, 46.23, 2006