Both event records fall in City of Brotherly Love on Sunday morning.
Kenya’s Matthew Kisorio and Ethiopia’s Mesert Defar wrote themselves into the record books with superb runs of 60:15 and 1:07:44 at the ING Rock ‘n’ Roll Philadelphia Half Marathon on Sunday morning.
In her half-marathon debut, Defar smashed the U.S. all-comers record, running the fastest time ever run by a woman on American soil for the distance. Her time bested Berhane Adere’s previous of mark 1:07:52 set earlier this year at the Rock ‘n’ Roll Mardi Gras Marathon and Half Marathon.
Kenya’s Lineth Chepkirui finished two seconds back in 1:07:46, followed by Ethiopian Werknesh Kidane in 1:08:30. American Shalane Flanagan finished 4th with a time of 1:08:36, one minute and two seconds off Deena Kastor’s American Record.
On the men’s side, Kisorio, a World junior 5,000-meter silver medalist, broke Khalid Khannouchi’s 1997 event mark by 12 seconds. 2009 IAAF World Cross Country champion Gebre Gebremariam of Ethiopia finished ten seconds back in second place with a time of 1:00:25.
Brett Gotcher of Flagstaff, Arizona was the top American finisher in ninth place, running 1:02:50. Defending champion Ryan Hall of Mammoth Lakes, California finished a disappointing 13th in 1:03:55.