1 second by Burak Hasan!
The fastest time recorded for the race.
(Supervisor's note: If you are going to add an answer to this question, include a verifiable match result from an official Taekwondo event, and do not delete previous answers. If possible, post a link in the related link section, but do not put links here in the posted answer. Videos should show the beginning of the match to verify when the knockout occurred.) There have been many fast knockouts in sparring in Taekwondo. The link below to a youtube video shows a knockout after about 8 seconds after the referee starts the match. Some time is wasted with the touching of the hands.
I'm pretty sure the fastest recorded time was something like 3.27 seconds.
The fastest time recorded for reciting the alphabet backwards is around 3.84 seconds.
Green's fastest recorded 40 time is 4.09 seconds. ------------------------- Green's fastest unrecorded 40 time is 3.81 seconds.
43 minutes
2hrs:50mins:54secs
The fastest men's time recorded at London was run in 2011 by Emmanuel Mutai in a time of 2:04:40.
Fastest recorded time is 70 mph plus.
The fastest time of a spirtfire recorded in WW2 was 387 mph.
11.00
Tyson Gaye