In May 2020 the Athletics Integrity Unit (AIU) of World Athletics has reported an anti-doping rule violation against the Kenyan Athlete Japhet Kipchirchir Kipkorir after his sample tested positive for the prohibited substance 19-norandrosterone (Nandrolone).
After notification the Athlete admitted the violation, waived his right for a hearing, accepted a provisional suspension and the sanction proposed by by AIU.
The Athlete explained that he underwent medical treatment for his back injury. The AIU finds that this medical treatment could not explain the positive test result.
Therefore the AIU decides on 27 May 2020 to impose a 4 year period of ineligibility on the Athlete starting on the date of the provisional suspension, i.e. on 11 May 2020.