Global List of Ineligible Persons

The Athletics Integrity Unit has jurisdiction over International-Level Athletes and their Athlete Support Persons, World Athletics Officials and Member Federation Officials (limited to their dealings with World Athletics). On this page we publish a consolidated list of all persons serving a period of ineligibility in Athletics. This includes persons serving a period of ineligibility as a result of national level cases and decisions.

Latest sanctions for Doping and Non-Doping Violations

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Complete list of sanctions for Doping and Non-Doping Violations*

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*The list of currently suspended persons was last updated on 1 March 2026. Please note that it is intended for information only and should not be relied upon from a legal perspective.

Show all Doping Non-Doping
Name Date of Birth Nationality Role Sex Discipline 1 Discipline 2 Infraction Date Sanction Ineligibile Until Disqualification Period Infraction Type ADRV Rules ADRV Notes Description
KIPRUTO, Mike 08/09/2001 KEN Athlete M Long Distance (3000m+) 22/05/2022 4 years ineligibility 08/06/2026 Since 22.05.22 Doping Presence
Use 		19-norandrosterone In competiton test, Maratonina del Mare, Pescara, ITA
KIPTOO, Erick 15/11/1996 KEN Athlete M Long Distance (3000m+) 08/01/2023 4 years ineligibility 17/04/2027 Since 08.01.23 Doping Presence
Use 		19-norandrosterone In competition test, in KEN
KIPTUM, Ayub 04/05/1995 KEN Athlete M Jumps 21/10/2023 3 years ineligibility 21/12/2026 Since 21.10.23 Doping Presence
Use 		Exogenous Steroids after IRMS (Testosterone, 5aAdiol, 5bAdiol, Androsterone, Etiocholanolone) In competiton test, at TotalEnergies Bilbao Night Half Marathon, Bilbao, ESP
KIPYOKEI, Diana Chemtai 05/05/1994 KEN Athlete F Long Distance (3000m+) 11/10/2021 6 years ineligibility 26/06/2028 Since 11.10.21 Doping Presence
Use
Tampering 		Triamcinolone Acetonide, Tampering In competiton test, at B.A.A. Boston Marathon, Boston, MA, USA
KIRUI, Felix 08/04/1986 KEN Athlete M Long Distance (3000m+) 04/05/2025 2 years ineligibility 07/07/2027 Since 04.05.25 Doping Presence
Use 		Triamcinolone acetonide In competition test at Durban International Marathon, Durban, RSA
KISORIO, Hosea Kimeli 22/11/1990 KEN Athlete M Long Distance (3000m+) 08/10/2023 3 years ineligibility 30/11/2026 Since 08.10.23 Doping Presence
Use 		erythropoietin (EPO) In competiton test, at Zagreb Marathon, Zagreb, CRO
KISORIO, Mathew 16/05/1989 KEN Athlete M Long Distance (3000m+) 01/01/2022 4 years ineligibility 07/03/2026 Since 01.01.22 Doping Whereabouts Failures 3 Whereabouts Failures within 12 months 3 Whereabouts Failures within 12 months
KITE (CHEBIWOTT), Gloria 10/01/1998 KEN Athlete F Long Distance (3000m+) 14/05/2022 4 years ineligibility 11/08/2026 Since 14.05.22 Doping Presence
Use 		Exogeneous Steroids after IRMS (5a-androstanediol, 5b-androstanediol, androsterone, epitestosterone, etiocholanolone and testosterone) Out-of-competition test, in KEN
KOIGI, Alice 14/09/1991 KEN Athlete F Long Distance (3000m+) 26/10/2025 2 years ineligibility 08/12/2027 Since 26.10.25-09.12.25 Doping Presence
Use 		Methylprednisolone In competition test, at Jakarta Running Festival, Jakarta, INA
KOMEN, Purity Temutai 01/05/1998 KEN Athlete F Long Distance (3000m+) 13/10/2022 6 years ineligibility 05/07/2029 Since 13.10.22 Doping Presence
Use 		Norandrosterone & Evasion, Refusal and or Failure to Submit In competiton test, at 58th CISM World Military Cross-Country Championship, Beja, POR
KONGA, Roncer Kipkorir 16/12/1994 KEN Athlete M Long Distance (3000m+) 29/12/2024 3 years ineligibility 15/06/2028 Since 29.12.24-16.06.25 Doping Presence
Use 		Exogenous Steroids after IRMS (Testosterone, Androsterone, 5αAdiol, 5βAdiol) Out-of-competition test, in KEN
KOROS, Collins 27/12/1990 KEN Athlete M Long Distance (3000m+) 10/12/2022 4 years ineligibility 27/02/2027 Since 10.12.22 Doping Presence
Use 		19-norandrosterone In competiton test, in KEN
KOSGEI, Henry Cheruiyot 01/11/1983 KEN Athlete M Long Distance (3000m+) 07/12/2019 Lifetime ban Lifetime ban Since 07.12.19 Doping Presence
Use
Violation of the Prohibition of Participation During Ineligibility 		Methylprednisolone In competition test, Mini Marathon de Yaoundé, Yaoundé, CMR
KOSGEI, Japheth 01/01/1988 KEN Athlete M Long Distance (3000m+) 05/11/2023 2 years ineligibility 27/11/2026 Since 05.11.23 Doping Presence
Use 		triamcinolone acetonide In competiton test, at Athlétisme / Course de fond - Marathon des Alpes-Maritimes NICE - CANNES
KOSGEI, Vivian 22/12/1998 KEN Athlete F Long Distance (3000m+) 27/01/2024 4 years ineligibility 21/04/2028 Since 27.01.24 Doping Presence
Use 		Trimetazidine In competition test at 3rd AK Track And Field Weekend Meeting, Nyayo National Stadium, Nairobi, KEN
KOSGEY, Victor 22/03/1988 KEN Athlete M Long Distance (3000m+) 27/11/2022 3 years ineligibility 12/02/2026 Since 27.11.22 Doping Presence
Use 		Salbutamol greater than the Decision Limit (The concentration level in the Sample is 2.64 µg/mL) &Trimetazidine In competiton test, in KEN
KOSIMBEI, Nicholas Mboroto 01/10/1996 KEN Athlete M Long Distance (3000m+) 26/02/2023 3 years ineligibility 23/03/2026 Since 26.02.23 Doping Presence
Use 		Trimetazidine In competiton test, at Publix Atlanta Half Marathon, Atlanta, USA
KUNYUGA, Michael Njenga 27/07/1987 KEN Athlete M Long Distance (3000m+) 15/05/2022 8 years ineligibility 31/07/2030 Since 15.05.22 Doping Presence
Use 		19-norandrosterone In competiton test, at Rimi Riga Marathon, Riga, LAT
KURGAT, Ronald -- KEN Athlete M Long Distance (3000m+) 27/10/2024 6 years ineligibility 19/02/2031 Since 27.10.24 Doping Presence
Use 		Triamcinolone acetonide In competition test at Standard Chartered Marathon, Nairobi, KEN & In competition test at Hainan Danzhou Marathon, Danzhou, CNH
KWEMOI, Rodgers 03/03/1998 KEN Athlete M Long Distance (3000m+) 18/07/2016 6 years ineligibility 07/08/2029 Since 18.07.16 Doping Use Use Use
LAGAT, Alex 06/01/1992 KEN Athlete M Middle Distance (800m-1500m) 03/09/2023 3 years ineligibility 25/12/2026 Since 03.09.23 Doping Presence
Use 		Triamcinolone acetonide In competiton test, in Tychy Half Marathon, Tychy, POL
LANGAT, Charles Kipkkurui 28/04/1996 KEN Athlete M Middle Distance (800m-1500m) 06/08/2024 2 years ineligibility 10/09/2026 Since 06.08.24 Doping Presence
Use 		Furosemide Out-of-competition test, in KEN
LANGAT, Charles Kipkkurui Amended sanction 28/04/1996 KEN Athlete M Long Distance (3000m+) 06/08/2024 5 years ineligibility 10/09/2029 Since 20.07.24 Doping Presence
Use 		Furosemide & Exogenous Steroids after IRMS (Testosterone, Androsterone, 5αAdiol, 5βAdiol) Out-of-competition test, in KEN
LEMPUS, Betty Wilson 09/07/1991 KEN Athlete F Long Distance (3000m+) 05/09/2021 5 years ineligibility 13/10/2027 Since 05.09.21 Doping Presence
Use
Tampering 		Triamcinolone Acetonide, Tampering In competiton test, at Harmonie Mutuelle Semi de Paris, FRA
LIMO, Brian 31/12/2002 KEN Athlete M Long Distance (3000m+) 05/04/2025 5 years ineligibility 24/11/2030 Since 05.04.25-25.11.25 Doping Presence
Use
Tampering 		Salbutamol & Tampering In competition test, at Drammen 10K-5K, Marienlyst Stadion, Drammen, NOR & Tampering
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