Pedzisa mutsara unotevera: Chepkorir akazvisimbisa pakati pevatambi vepamusoro vehafu yemarathon munyika nekukunda kuBerlin Half Marathon munaKurume 2010, achimhanya nguva yake yakanakisa yemaminitsi 69:43 kukunda Eunice Kales. Akadzokera kuguta reGerman kunomhanya muBIG 25 Berlin, uye akaiswa wechitatu. Akasarudzwa kukwikwidza achimiririra Kenya ku
2010 IAAF World Half Marathon Championships asi kukuvara kwakaderedza mwaka wake asati agona kuita nhabvu yake yepasi rose.