Doping Ban Record

Athletics (marathon) · Kenya · AIU

Ruth Chepngetich: doping case, ban and appeal

Serving ban The AIU announced a three year ban on 23 October 2025, which NBC Sports reported was backdated to 19 April 2025.

Ban length3 years (four years reduced by one year for early admission and acceptance under ADR 10.8.1)
Start19 April 2025

Violation

Presence and use of a prohibited substance: hydrochlorothiazide (HCTZ, a diuretic), at an estimated 3,800 ng/mL in a sample collected on 14 March 20251,2

Results disqualified

The AIU said all achievements and records before the 14 March 2025 sample stand

Athlete's response

NBC Sports reported that she told investigators she had never doped and later said she had taken her housemaid's medication while ill without checking it. The AIU called that explanation "hardly credible".

Sources

  1. Athletics Integrity Unit, Howman: nobody above the rules, AIU bans Chepngetich for 3 years (23 October 2025)
  2. NBC Sports, Ruth Chepngetich banned for doping (23 October 2025)