Ruth Chepngetich, the women’s marathon world record holder, has been provisionally suspended by the Athletics Integrity Unit (AIU) after testing positive for a banned substance.

The diuretic hydrochlorothiazide (HCTZ) was detected in a sample collected from Kenyan Chepngetich on 14 March, the AIU said in a statement., external

Chepngetich, 30, broke the world record to win the Chicago Marathon in October 2024, clocking a time of two hours, nine minutes and 56 seconds.

HCTZ is used clinically to treat fluid retention and hypertension and is prohibited at all times under the World Anti Doping Agency (WADA) code…

https://www.bbc.com/sport/athletics/articles/c8rpnj078pyo