In March 2020 the Athletics Integrity Unit (AIU) of World Athletics has reported an anti-doping rule violation against the Kenyan Athlete Mikel Kiprotich Mutai after his sample tested positive for the prohibited substances 19-norandrosterone and 19-noretiocholanolone (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 AIU did not accept the Athlete's explanation that he only had used a medication and a supplement.
Therefore the AIU decides on 26 May 2020 to impose a 4 year period of ineligibility on the Athlete starting on the date of the provisional suspension, i.e. on 20 March 2020.
