Joyline Chepngeno Receives Doping Sanction Following Win of 2025 Sierre-Zinal, Results Nullified
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Joyline Chepngeno Receives Doping Sanction Following Win of 2025 Sierre-Zinal, Results Nullified
"On the basis that the Athlete has admitted the Anti-Doping Rule Violations under Rule 2.1 ADR and Rule 2.2 ADR, in accordance with Rule 10.2.1 ADR, the AIU confirms by this decision the following Consequences for a first Anti-Doping Rule Violation: 15.1. a period of Ineligibility of two (2) years commencing on 8 September 2025; and 15.2. disqualification of the Athlete's results on and since 9 August 2025, with all resulting consequences, including the forfeiture of any titles, awards, medals, points, prizes and appearance money."
"Chepngeno received a two-year ban, which went into effect on September 8, 2025, and all of her results from August 9 forward are nullified. This includes her 2025 Sierre-Zinal win and her 2025 OCC win less than two weeks ago. Sierre-Zinal was part of both the World Mountain Running Association World Cup and the Golden Trail World Series, and OCC was the UTMB World Series Final for the 50k distance."
"Chepngeno's primary sponsor, Salomon, immediately announced that she was dropped from its roster. Chepngeno had a breakout win at the 2024 Sierre-Zinal, storming to victory ahead of Scout Adkin (U.K.) and Mădălina Florea (Romania). She also won the 2025 Marathon du Mont-Blanc. The Kenyan seemed unstoppable, repeating her Sierre-Zinal victory this year and then having a strong battle with Miao Yao (China) before winning the 2025 OCC at the end of August."
Joyline Chepngeno received a two-year period of ineligibility starting 8 September 2025 after admitting anti-doping rule violations involving Triamcinolone Acetonide. All of her results from 9 August 2025 onward were disqualified, including her 2025 Sierre-Zinal and 2025 OCC victories, with forfeiture of titles, prizes and appearance money. The Athletics Integrity Unit applied Rules 2.1, 2.2 and 10.2.1 ADR to confirm the sanctions. Primary sponsor Salomon removed Chepngeno from its roster. Caroline Kimutai, who finished second at Sierre-Zinal, was declared the race winner. Chepngeno had previous major wins including the 2024 Sierre-Zinal and the 2025 Marathon du Mont-Blanc.
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