Geoffrey Mutai ran the Boston marathon in 2:03. Fastest recorded time for a marathon to date.
Wilson Kipsang of Kenya ran the world's fastest marathon time. His time was 2:03:23 and it was in the Berlin marathon of 2013
fastest vet for half marathon
23,680 finished in the 2008 Flora London Marathon.
2:15.43 Paula Radcliffe
I don't know what the fastest 12 year old time was but I new somebody who ran a 2:57 marathon at 12 years old back in 1976.
Moses Mosop of Kenya ran 2:03:06 at the 2011 Boston Marathon
The fastest marathon ever run is 2 hours, 3 minutes and 02 seconds - set by Kenya's Geoffrey Mutai on April 18th 2011 at the Boston Marathon.
Toshihilo Seko from Japan won with a time of 2:11:50.
Lornah Kiplagat in 1h06:25 is the fastest recognised record (unassisted course)