Purity Komen was the surprise winner of the N Kolay Istanbul Half Marathon. Overtaking fellow-Kenyan and race favourite Ruth Chepngetich the 24 year-old stormed to her biggest career win with a personal best of 66:30. Course record holder Chepngetich followed…

Ruth Chepngetich, one of the world’s leading long distance runners, will be the star attraction of the N Kolay Istanbul Half Marathon on Sunday. The Kenyan, who broke the world record on this course with 64:02 two years ago, has a unique win streak in…