USA Track & Field

Doping Suspensions, Disqualifications, and Public Warnings

The following individuals have been disciplined by USATF and/or are currently serving doping suspensions. Those individuals serving suspensions are ineligible to participate in the activities of USATF and/or in Athletics competitions, subject to reinstatement requirements.

Although their suspension periods may have ended, athletes are not eligible to compete until they have completed all requirements and conditions for reinstatement. Athletes noted as retired must be in the USADA Out-Of-Competition (OOC) drug testing pool for a minimum of 12 months before resuming competition, and must also undergo reinstatement testing.

Name Substance Type Substance Public Warning Suspension Period/Ban Event Event Date Place Disqualification
NameImani Oliver Substance TypeSteroids SubstanceOstarine Public WarningMay 09, 2017 Suspension Period/BanJuly 07, 2016 - July 06, 2017 EventU.S. Olympic Trials – Track & Field Event DateJuly 07, 2016 Place DisqualificationCompetitive results from 3/16/16 to 7/6/17
NameDarien Moore Substance TypeSteroids SubstanceMethandienone metabolites epimetendiol, 17-epimethandienone and 17β-hydroxymethyl-17α -methy-18-norandrost-1, 4,13-trien-3-one Public WarningMay 03, 2017 Suspension Period/BanMarch 04, 2017 - March 03, 2021 EventUSA Track & Field Indoor Championships Event DateMarch 04, 2017 Place DisqualificationCompetitive results from 3/4/17 to 3/3/21
NameCliff Nielson Substance TypeOther SubstanceGrowth hormone (GH) releasing factors (GHRFs), GH-Releasing Hormone (GHRH) analog modified GFR (1-29), GH Secretagogues (GHS) impamorelin, and GH Releasing Peptide (GHRP) GHRP-2 Public WarningMay 02, 2017 Suspension Period/BanApril 26, 2017 - April 25, 2021 EventOut-of-competition Event Date Place DisqualificationCompetitive results from 9/14/14 to 4/25/21
NameBrianna Rollins Substance TypeOther SubstanceThree Whereabouts Failures in 12-month period Public WarningApril 20, 2017 Suspension Period/BanDecember 19, 2016 - December 18, 2017 EventOut-of-competition Event Date Place DisqualificationCompetitive results from 9/27/16 to 12/18/17
NameJessica Cosby-Toruga Substance TypeSteroids SubstanceExtrogenous Androgenic Anabolic Steroids Public WarningMarch 06, 2017 Suspension Period/BanSeptember 12, 2016 - September 11, 2022 EventOut-of-competition Event Date Place DisqualificationCompetitive results from 9/12/16 to 9/11/22
NameDawn Harper-Nelson Substance TypeOther SubstanceHydrochlorothiazide Public WarningFebruary 07, 2017 Suspension Period/Ban - EventOut-of-competition Event Date Place DisqualificationCompetitive results from 12/1/16 to 2/28/17
NameNicholas Mossberg Substance TypeOther SubstanceGrowth hormone releasing factors (GHRFs) Public WarningDecember 14, 2016 Suspension Period/BanApril 25, 2016 - April 24, 2020 EventOut-of-competition Event Date Place DisqualificationCompetitive results from 8/23/14 to 4/24/20
NameCody Bidlow Substance TypeOther SubstanceGrowth hormone releasing factors (GHRFs) Public WarningNovember 03, 2016 Suspension Period/BanAugust 09, 2016 - August 08, 2020 EventOut-of-competition Event Date Place DisqualificationCompetitive results from 1/1/13 to 8/8/20
NameTrell Kimmons Substance TypeStimulants Substance1,3-dimethylbutylamine Public WarningSeptember 27, 2016 Suspension Period/BanApril 14, 2016 - April 13, 2018 EventUSA Indoor Championships Event DateSeptember 27, 2016 Place DisqualificationCompetitive results from 3/12/16 to 4/13/18
NameThomas Cawley Substance TypeOther SubstanceGrowth hormone (GH) releasing factors (GHRFs), GH-releasing hormone (GHRH) analogs, and synthetic growth factors Public WarningAugust 11, 2016 Suspension Period/BanJune 16, 2016 - June 15, 2020 Event Event Date Place DisqualificationCompetitive results from 7/10/11 to 6/15/20
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