Isabelle Boffey

GBRWomen

Isabelle Boffey is a British middle-distance runner born on April 13, 2000, in Enfield, United Kingdom. She specializes in the 800 metres and has emerged as one of Britain's top female middle-distance runners, with an indoor personal best that ranks her second among British women in history.

Boffey enjoyed a successful junior career, winning gold in the 800m at the 2016 European U18 Championships. She continued her dominance at youth level with gold medals in both the 800m and 4x400m relay at the 2019 European U20 Championships, and another 800m gold at the 2021 European U20 Championships. She became the 2025 British indoor champion in the 800m and competed at the 2023 World Championships. Her personal best of 1:57.43 indoors ranks eighth all-time globally.

As one of Britain's most decorated junior middle-distance athletes and now an established senior competitor, Boffey represents the bright future of British athletics. Her consistent progression and world-class times position her as a key figure in international 800m running.