Marley Dickinson January 7, 2023
Despite a positive test in May 2022, Esther Chesang still competed and won Sierre Zinal in August due to a failure of communication by the Anti-Doping Agency of Kenya
Anne Francis October 14, 2022
Kipyokei and fellow Kenyan Betty Wilson Lempus both tested positive for triamcinolone acetonide and were found to have interfered with the investigations into their cases
Marley Dickinson October 13, 2022
Mark Kangogo of Kenya has had his Sierre-Zinal title revoked after testing positive for two prohibited substances