The Aporia · Kenya’s marathon champion Peres Jepchirchir provisionally banned by AIU

Peres Jepchirchir, Kenya’s world marathon champion and former Olympic gold medalist, has been provisionally suspended by the Athletics Integrity Unit (AIU) after testing positive for EPO in an out-of-competition sample taken before her Sydney Marathon victory. The AIU reported that the test was conducted while she was still in Kenya. Jepchirchir’s agent expressed regret over the situation and acknowledged the need for strict disqualification of athletes who use performance-enhancing drugs.

Written by AI on 2026-10-23, from this article's own text only (the story summary below draws on all the coverage).

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Peres Jepchirchir, a Kenyan Olympic and world marathon champion, has been provisionally suspended by the Athletics Integrity Unit (AIU) over a positive drug test for EPO. The AIU announced on X that an out-of-competition sample collected in Kenya before her Sydney Marathon victory returned an adverse analytical finding for EPO, a banned substance. Jepchirchir won gold at the Tokyo Olympics in 2021 and is also a former world record holder in the half marathon. Her agent declined to comment further when contacted by The Associated Press. Provisional suspensions are typically imposed while cases undergo investigation and can be lifted if the athlete proves their innocence or dropped entirely. Kenya, which has a history of doping cases among its distance runners, was recently awarded the 2029 World Athletics Championships, marking it as the first African country to host this event.

Written for “Peres Jepchirchir Doping Case” on 2026-11-02, grounded in this article and the 1 other(s) covering the same event.

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Kenya’s world marathon champion Peres Jepchirchir has been provisionally suspended after testing positive for the banned blood booster EPO in a sample taken before her Sydney Marathon victory, the Athletics Integrity Unit (AIU) said. asserted

Unit → suspend → victory

The AIU added that the out-of-competition sample collected in Kenya returned an adverse analytical finding for EPO (erythropoietin), which boosts the production of red blood cells. asserted

which → add → cells

Recommended Stories list of 4 items- list 1 of 4‘My body is still peaking’: Kipchoge wins his first marathon in three years - list 2 of 4Kenya’s Kandie gets seven-year ban for doping violations - list 3 of 4Nairobi to host Africa’s first World Athletics Championships in 2029 - list 4 of 4Kenya’s Ngetich breaks women-only half-marathon world record by a second “I can only say that I feel terrible about what happened and I think asserted

I → peak → second

it’s only right that an athlete who uses performance enhancing drugs should be disqualified,” her agent Gianni Demadonna said in an emailed statement. asserted

agent → ’ → statement

Sydney Marathon organisers said they were “extremely disappointed” to learn about Jepchirchir’s provisional suspension. asserted

they → say → suspension

“Jepchirchir is entitled to due process and we will make no further comment on the case until that process has concluded,” organisers said in a statement on social media. asserted

organisers → entitle → media

Every athlete who lines up in Sydney deserves to race on a level playing field and every participant and spectator deserves to trust the result they see at the finish line. asserted

they → line → line

“That conviction is why, alongside our fellow Abbott World Marathon Majors, we have invested in increased out-of-competition testing in partnership with the AlU, and why we will keep standing firmly with the athletes who compete cleanly.” asserted

who → invest → athletes

She won gold at the Tokyo Games in 2021 and has also claimed major marathon victories in New York (2021), Boston (2022), London (2024) and Sydney (2026). asserted

She → win → York

Jepchirchir dominated the women’s race in Sydney in August, pulling clear of the field to finish in 2:18:31, more than three minutes ahead of second-placed compatriot Irine Cheptai. asserted

Jepchirchir → dominate → Cheptai

Last year, Kenya’s women’s marathon world record holder Ruth Chepngetich was banned for three years after admitting anti-doping rule violations involving hydrochlorothiazide (HCTZ), a prohibited diuretic, though her world record of 2:09:56 remained on the books because it was set before her positive test. asserted

it → ban → test

Kenya’s marathon champion Peres Jepchirchir provisionally banned by AIU

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