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| Athletics 800 metres | |
|---|---|
 Men's 800 metres final in Daegu 2011. | |
| World records | |
| Men |  David Rudisha (KEN) 1:40.91 (2012) |
| Women |  Jarmila Kratochvílová (TCH) 1:53.28 (1983) |
| Short track world records | |
| Men |  Wilson Kipketer (DEN) 1:42.67 (1997) |
| Women |  Jolanda Čeplak (SLO) 1:55.82 (2002) |
| Olympic records | |
| Men | David Rudisha (KEN) 1:40.91 (2012) |
| Women |  Nadezhda Olizarenko (URS) 1:53.43 (1980) |
| World Championship records | |
| Men |  Donavan Brazier (USA) 1:42.34 (2019) |
| Women | Jarmila Kratochvílová (TCH) 1:54.68 (1983) |
| World junior (U20) records | |
| Men |  Nijel Amos (BOT) 1:41.73 (2012) |
| Women | Pamela Jelimo (KEN) 1:54.01 (2008) |
The 800 metres, or 800 meters (US spelling), is a common track running event. It is the shortest commonly run middle-distance running event. The 800 metres is run over two laps of an outdoor (400-metre) track and has been an Olympic event since the first modern games in 1896. During the winter track season the event is usually run by completing four laps of an indoor 200-metre track.
The event was derived from the imperial measurement of a half mile (880 yards), a traditional British racing distance. 800 m is 4.67 m less than a half mile.
The event combines aerobic endurance with anaerobic conditioning and sprint speed, so the 800m athlete has to combine training for both.
Runners in this event are occasionally fast enough to also compete in the 400 metres but more commonly have enough endurance to 'double up' in the 1500m. Only Alberto Juantorena and Jarmila Kratochvílová have won major international titles at 400m and 800m.