Bolt has run 45.28s for 400m.
usain bolt!
Harry 'Butch' Reynolds
Yes, his best time is 45.28 set in 2007.
i did in 15 minutes
43.18, set at the 1999 Seville world championships by Michael Johnson.
4.40
4.24 By Chris Johnson. This is the fastest most accurate time.
2:54.20 by USA in 1998
100m or 400m
10000 minutes
The fastest men's time recorded at London was run in 2011 by Emmanuel Mutai in a time of 2:04:40.