Mutai finished in an unofficial time of 2 hours, 5 minutes, 6 seconds Sunday, crushing the previous mark of 2:07:43 set by Tesfaye Jifar of Ethiopia a decade earlier.
The 30-year-old has established himself as the favorite at next summer’s Olympics after two landmark performances this year.
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In April, he ran the fastest 26.2 miles in history: 2:03:02 in Boston. It didn’t count as a world record because the course is considered too straight and too downhill.
The second- and third-place finishers Sunday also broke the old course record. Fellow Kenyan Emmanuel Mutai (no relation), the London Marathon champ, was 1:22 back. Tsegaye Kebede of Ethiopia was third.
Kenyan runner Geoffrey Mutai crosses the finish winning the New York City Marathon, in New York, November 6, 2011. Mutai, the 2011 Boston Marathon winner, won the men’s New York Marathon in an unofficial time of two hours, five minutes and five seconds to smash the course record on Sunday. Mutai smashed the old mark of 2:07:43 set by Ethiopia’s Tesfaye Jifar in 2001 to defeat runner-up Emmanuel Mutai, the reigning London Marathon champion.