London Marathon 2015: Wilson Kipsang v Dennis Kimetto
Kenyan athletes Wilson Kipsang and Dennis Kimetto will go head-to-head for the first time in Sunday's London Marathon.
Former world record holder, Kipsang, broke the London course record last year with a time of 2:04:29.
Kimetto, the current world record holder, is making his London Marathon debut this year.
Live coverage of the London Marathon begins on BBC Two and online on Sunday at 0830 BST.