Kenya's Jepchirchir breaks own world record in women's half marathon
Peres Jepchirchir of Kenya broke her own world record in the women's-only half marathon in Gdynia, Poland, clocking one hour, five minutes and 16 seconds.
1:50
1:35:30
1:04
1:29:54
2:23:46
6:48
8:33
1:10
1:18
