There is a record of 11:28:03 (about 11.47 hours) by Oleg Kharitonov on a track on Oct. 20, 2002 in a race in London. This beat the previous record held by Don Ritchie, which was 11:30:51 (October 1977).
(see related link)
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17:07.0a Eliud Kipchoge (KEN) 14 Oct 2007 Groningen NED
http://www.arrs.net/AllTime/AL_R4M.htm