The fastest men's time recorded at London was run in 2011 by Emmanuel Mutai in a time of 2:04:40.
fastest vet for half marathon
10 seconds
Moses Mosop of Kenya ran 2:03:06 at the 2011 Boston Marathon
Toshihilo Seko from Japan won with a time of 2:11:50.
It was set by Paula Radcliffe of the United Kingdom on April 13, 2003 at the London Marathon. The time was 2:15:25
He ran it in 1991 with a time of 2:56:20
37,000
Lornah Kiplagat in 1h06:25 is the fastest recognised record (unassisted course)
Records through the 2008 marathon: Men: Hugh Jones of Great Britain ran a 2:11:37 in 1983. Women: Grete Waitz of Norway ran a 2:28:24 in 1988.
Sam Wanjiru of Kenya ran a Marathon in 2 hours, 6 minutes, and 32 seconds. That was an Olympic record.
Geoffrey Mutai ran 2:03:02 at the 2011 Boston Marathon. The recognized IAAF world record (2:03:38) however was set by Patrick Makau at the 2011 Berlin Marathon.
In 2011, Kenyan Geoffrey Mutai ran 2:03.02.