An Ethiopian distance runner, who made it to the 3,000-meter steeplechase final at the Tokyo Olympics and narrowly missed the world championship podium last year, has been banned for five years after testing positive for two banned substances.

Zerfe Wondemagegn admitted to breaking anti-doping rules after samples she provided showed traces of testosterone and another substance, EPO, which can enhance athletes’ blood oxygen transport, according to a ruling by the Athletics Integrity Unit published on Monday.

Wondemagegn finished eighth at the Tokyo Olympics in 2021 and fourth at the 2023 world championships in Budapest. Two of the three samples in her case were taken while she was in Hungary for the event, and she has been disqualified from the competition.

The AIU ruling stated that it received e-mailed testimony from a doctor stating Wondemagegn had been given EPO as medicine to treat severe anemia and a kidney infection, but it “remained satisfied” she had broken anti-doping rules. The organization also noted it had received a signed admission from the athlete last week.

Wondemagegn’s case is the latest in a series of doping instances in distance running.

The 2022 world champion in women’s steeplechase, Norah Jeruto, is facing a doping hearing in June, five weeks before the Paris Olympics. World Athletics is appealing against an earlier decision to clear the runner, who was born in Kenya and competes for Kazakhstan. She has argued that ulcers and a bout of COVID-19 can explain irregular blood test results.

Also on Monday, the AIU reported a three-year ban for Kenyan road runner Celestine Chepchirchir, who tested positive for testosterone.