Ruth Chepngetich, the women’s marathon world record holder, has been banned three years after testing positive for a banned diuretic in March and admitting to doping violations.

The Athletics Integrity Unit (AIU) announced Thursday that Chepngetich accepted a three-year ban, backdated to April 19. The AIU, which handles doping cases in international track and field, previously announced in July that Chepngetich was provisionally suspended.

The Kenyan Chepngetich tested positive for Hydrochlorothiazide (HCTZ) from a March 14 sample.

An AIU investigation found evidence from her phone “indicating a reasonable suspicion that her positive test may have been intentional,” according to the AIU.

In AIU interviews on April 16 and July 11 (when she was confronted with the phone evidence), Chep

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