World Half Marathon Championships: Kenya's Peres Jepchirchir breaks world record

Kenya's Peres Jepchirchir breaks her own world record at the World Half Marathon Championships in Gydnia, Poland.

World Half Marathon Championships: Kenya's Peres Jepchirchir breaks world record
Kenya's Peres Jepchirchir breaks her own world record at the World Half Marathon Championships in Gydnia, Poland.