Geoffrey Mutai of Kenya won the Boston Marathon on Monday in World Record time, two hours, 3 minutes and two seconds!Matai out-sprinted fellow Kenyan Moses Mosop to the wire.  His record time topped the previous mark of 2:03:59 set by Ethopia's Haile Gebrselassie at the 2008 Berlin Marathon.    Matai's countrymate Caroline Kilel won the Boston Marathon's Woman's title in 2:22:36.