Ethiopia's 23-year-old Yalemzerf Yehualaw became the youngest-ever winner of the London marathon, finishing in two hours, 17 minutes and 26 seconds. Notably, it's the third fastest women's London Marathon time in history. Yehualaw, who tripped during the run, said she's happy to win in London. Kenya's Amos Kipruto won the men's race in two hours, four minutes and 39 seconds.