Wilson Kipketer of Denmark holds seven of the ten fastest 800m times in history, including his world record of 1.41.11 from 1997.
David Rudisha is the longest 800m sprinting
1:41.01 by David Rudisha of Kenya.
1:41.11 Wilson Kipketer (DEN)
As of the 2008 Games, that would be 1:42.58 held by Vebjorn Rodal of Norway and set at the 1996 Games in Atlanta.
1:41.11 by Wilson Kipketer of Denmark in 1997.
The world record is 1:53.28 set by Jarmila Kratochvílová in München on the 26 July 1983.
As of 18 May 2013, the fastest 800m run (or 800m world record) was done at the 2012 Summer Olympics in London, United Kingdom, on the 9th of August by David Rudisha of Kenya. Rudisha ran the 800m in 1:40.91, breaking his own world record by ten hundredths of a second (previously 1:41.01). You can watch his awesome run in the video in the related links section.