Agnes Jebet Tirop was a Kenyan professional long-distance runner who mainly competed in the 5000 metres and cross country running. At the 2015 IAAF World Cross Country Championships she became the second-youngest ever gold medallist in the women's race after Zola Budd. She was a medallist at junior level at the World Cross Country and World Junior Championships in Athletics. She was also the junior champion at the African Cross Country Championships in 2014. She held a 5000 m best of 14:50.36 minutes. She won the bronze medal in the 10,000 metres events at the 2017 and 2019 World Athletics Championships and, at the time of her death in 2021, was the world-record holder in the 10 kilometres women's only event.