Vivian Cheruiyot set an Olympic record to win gold in the 5,000 meters, coming from behind to beat favorite Almaz Ayana of Ethiopia.
Cheruiyot went past Ayana with less than two laps to go and could not be caught as she finished in 14 minutes 26.17 seconds. Hellen Obiri of Kenya took silver 3.60 second behind.
Ayana, the 10,000 Olympic champion, finished in third in 14:33.59.