Geraldina Asher-Smith - known as Dina Asher-Smith - is a British professional sprinter and is the fastest British woman in history. She won a gold medal in the 200 m, silver in the 100 m, and another silver in the 4 × 100 m relay at the 2019 World Championships, breaking her own British records in her individual races. She was the first Briton to win 3 medals at a World Championships. At the relay event, she claimed medals from the 2016 Rio Olympics and the delayed 2020 Tokyo Olympics, and also at the 2013 and 2017 World Championships. Asher-Smith is also a 4-time European individual champion, and a 100 m Diamond League champion.