Kwemoi is currently serving a six year competition ban resulting from breaches of anti-doping rules with an end date of 7 August 2029.
Born in Kenya's Mount Elgon District,[1] he made his international debut in the junior race at the 2015 IAAF World Cross Country Championships, where his tenth-place finish helped the Kenyan men to the team title.
[3] During the period 2016 to 2023, Kwemoi participated in numerous competitions and at the time was recorded in various positions including medal places.
However a doping ban issued on 24 April 2024 determined that all of Kwemoi's results from 18 July 2016 to 8 August 2023 "shall be disqualified with all resulting Consequences, including the forfeiture of any medals, titles, ranking points, prizes, and prize and appearance money.
10,000 m.[8] In August 2023, Kwemoi was provisionally suspended by the Athletics Integrity Unit for a "Prohibited Substance/Method" violation.