Sifan Hassan (Oromo: Siifan Hassan; born 1 January 1993) is an Ethiopian-born Dutch middle- and long-distance runner. She completed an unprecedented triple at the 2020 Tokyo Olympics winning gold medals in both the 5000 metres and 10,000 metres, and a bronze medal for the 1500 metres. Hassan is the only athlete in Olympic history to win medals across a middle-distance event and both long-distance races in a single Games. She is only the second woman to complete an Olympic distance double.
At the World Athletics Championships, Hassan took 1500m and 10,000m titles in 2019, becoming the only athlete (male or female) in history to win both these events at a single World Championships or Olympic Games. She won a bronze at the 1500m in 2015, and at the 5000m in 2017 when she also finished fifth for the 1500m. Hassan is a three-time World Indoor Championships medallist, winning gold at 1500m in 2016 as well as silver at 3000m and bronze for 1500m in 2018. She earned six European medals (including two cross country titles), and one European indoor medal. She is also a three-time Diamond League winner, having secured the 1500m/5000m double in 2019.
Hassan is the world record holder for both the one mile and 5 km road race, both set in 2019, as well as the one hour run, set in 2020. She held a world record at 10,000 m for two days in June 2021. She owns five European records (1500m, 3000m, 5000m, 10,000m, half marathon) and three Dutch records.