On 12 July 2015 the swimmer Mauricio Fiol Villanueva (PER) was tested positive to the substance Stanozolol (Class S.1.1A Exogenous Anabolic Androgenic Steroids) on the occasion of the Pan American Games, Toronto 2015 (CAN).
The FINA Doping Panel decided according to the FINA DC Rule 10.2.1 to impose on the athlete a period of four (4) years’ ineligibility, starting on 12 July 2015 and ending at the conclusion of the 11 July 2019 for his first anti-doping rule violation.
Furthermore, the FINA Doping Panel decided that all results achieved by the athlete on or after 12 July 2015 shall be annulled together with the consequences thereof (forfeiture of medals/prizes, reimbursement of prize money).
The athlete appealed the FINA Doping Panel decision to the Court of Arbitration for Sport (CAS) in Lausanne. The CAS Panel dismissed athlete’s appeal.