Marathon world record-holder Ruth Chepng’etich was provisionally suspended by the Athletics Integrity Unit (AIU) following a positive doping test for a banned diuretic, Hydrochlorothiazide (HCTZ).The AIU confirmed that a sample collected from the Kenyan on March 14, 2025, tested positive for the substance at an estimated concentration of 3800 ng/mL, far above WADA’s reporting threshold … Continue reading Marathon World Record Holder Ruth Chepng’etich Suspended By AIU For Doping