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 January 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
VOWELL, Michael -- USA Athlete Support Personnel M Athlete Support Personnel 10/12/2023 Life Ban Lifetime ban Since 10.12.23 Doping Possession
Administration 		Possession, Administration Possession, Administration
LU, Yajie 28/03/1975 CHN Athlete Support Personnel F 19/07/2024 Life Ban Lifetime ban Since 19.07.24 Doping Administration Administration
YANG, Ming 19/09/1964 CHN Athlete Support Personnel M Athlete Support Personnel 01/01/2017 Life Ban Lifetime ban Doping Trafficking
Administration 		Trafficking, Administration Trafficking, Administration
SUN, Qinghe -- CHN Athlete Support Personnel M Athlete Support Personnel 09/05/2017 Lifetime ban as from 23/10/17 Lifetime ban Doping Administration Administration or Attempted Administration to any Athlete of a Prohibited Substance/ or Method Administration of a prohibited substance
CHANG, Weijie 10/04/1983 CHN Athlete Support Personnel M Athlete Support Personnel 08/07/2024 Life Ban Lifetime ban Doping Possession Possession Possession
SKAFIDAS, George -- GRE Athlete Support Personnel M Athlete Support Personnel 01/01/2011 Lifetime ban Lifetime ban Doping Tampering
Possession
Trafficking
Administration 		Possession of a Prohibited Substance or a Prohibited Method, Trafficking or Attempted Trafficking in any Prohibted Substance or Prohibited Method, Administration or Attempted Administration to any Athlete of a Prohibited Substance/ or Method Tampering ; Possession of a prohibited substance; Trafficking, Administration of a prohibited substance
MENGXIANG, Li 07/02/2002 CHN Athlete Support Personnel M Athlete Support Personnel 08/07/2024 Life Ban Lifetime ban Doping Possession
Administration 		Possession, Administration Possession, Administration
ZHANG, Shouku 19/05/1977 CHN Athlete Support Personnel M 05/09/2020 Lifetime ineligibility Lifetime ban Doping Administration Administration Administration
LIU, Bao 18/05/1980 CHN Athlete Support Personnel M Athlete Support Personnel -- 15 years ineligibility 08/04/2037 Doping Complicity Complicity Complicity
GUILLAUME, Claude 17/01/1954 FRA Athlete Support Personnel M Athlete Support Personnel 04/11/2019 4 years ineligibility 27/04/2029 Doping Tampering
Complicity 		Tampering, Complicity Tampering, Complicity
ALFARSI, Wesam Nasser 08/04/1999 KSA Athlete M Long Distance (3000m+) 29/09/2023 5 years ineligibility 04/10/2028 Since 29.09.23 Doping Presence Darbepoetin (dEPO) & Methoxy polyethylene glycol-epoetin beta (CERA) Out-of-competition test, in CHN
MATSEPE, Samuel -- RSA Athlete M Long Distance (3000m+) 13/04/2025 10 months ineligibility 09/04/2026 Since 13.04.25-09.06.25 Doping Presence
Use 		5-methylhexan-2-amine (1,4-dimethylpentylamine) In competition test, in RSA
LANGAT, Charles Kipkkurui 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
TESHOME, Tadu 09/06/2001 ETH Athlete F Long Distance (3000m+) 13/10/2024 22 months ineligibility 04/12/2026 Since 13.10.24-05.02.25 Doping Whereabouts Failures 3 Whereabouts Failures within 12 Months 3 Whereabouts Failures within 12 Months
ZUBKOV, Artyom 14/04/1998 RUS Athlete M Long Jump Jumps 31/01/2025 3 years ineligibility 02/02/2028 Since 31.01.25 Doping Evasion
Refusal and or Failure to Submit 		Evasion, Refusal and or Failure to Submit Evasion, Refusal and or Failure to Submit
KOTULSKAYA, Yelena 08/08/1988 RUS Athlete F Middle Distance (800m-1500m) 14/06/2013 4 years ineligibility 06/11/2029 Since 14.06.13-07.11.25 Doping Use LIMS (evidence) LIMS (evidence)
ZA, Xiciren 16/11/2002 CHN Athlete M 3000m SC 18/01/2025 1 year ineligibility 06/02/2026 Since 18.01.25 Doping Presence
Use 		Hydrochlorothiazide Out-of-competition test, in CHN
CHELANGAT, Silvia 07/11/2005 KEN Athlete F Long Distance (3000m+) 14/10/2023 4 years ineligibility 23/12/2027 Since 14.10.23 Doping Presence
Use 		19-norandrosterone & Hydrochlorothiazide In competition test, at 1st AK Cross Country Weekend Meeting, Machakos, KEN
DEMENTYEVA, Tatyana 08/05/1981 RUS Athlete F Sprints (400m or less) 09/12/2014 2 years ineligibility 17/12/2016 Since 09.12.14-17.12.14 & 18.07.14-09.12.14 Doping Use LIMS (evidence) LIMS (evidence)
CHEMUTAI, Belinda 30/04/2000 UGA Athlete F Long Distance (3000m+) 01/10/2023 6 years ineligibility 2nd ADRV 10/04/2031 Since 01.10.23-11.04.25 & 28.02.25-11.04.25 Doping Presence
Use 		Exogenous Steroids after IRMS (Testosterone, 5aAdiol and/or 5bAdiol) & Testosterone decanoate In competition test, at World Athletics Road Running Championships, Riga & Out-of-competition test, in KEN
KATIR, Mohamed 17/02/1998 ESP Athlete M Long Distance (3000m+) 10/10/2023 4 years ineligibility 06/02/2028 Since 10.10.23 Doping Whereabouts Failures 3 Whereabouts Failures within 12 months & Tampering 3 Whereabouts Failures within 12 months & Tampering
KOVALENKO, Velin 08/01/1995 BUL Athlete M Sprints (400m or less) 02/08/2025 4 years ineligibility 11/08/2029 Since 02.08.25 Doping Evasion
Refusal and or Failure to Submit 		Evasion, Refusal and or Failure to Submit Evasion, Refusal and or Failure to Submit
ATAN, Asli 31/03/2003 TUR Athlete F Middle Distance (800m-1500m) 02/02/2022 4 years ineligibility 24/03/2026 Since 02.02.22-25.03.22 Doping Presence
Use 		Metenolone In competition test at Turkish U20 Ind. Ch., Istanbul, TUR
ZUBKOVA, Nadezhda 21/01/2005 RUS Athlete F Sprints (400m or less) 31/01/2025 3 years ineligibility 02/02/2028 Since 31.01.25 Doping Evasion
Refusal and or Failure to Submit 		Evasion, Refusal and or Failure to Submit Evasion, Refusal and or Failure to Submit
KUMAR, Kartik 12/05/1999 IND Athlete M Long Distance (3000m+) 27/02/2025 3 years ineligibility 09/04/2028 Since 27.02.25-10.04.25 Doping Presence
Use 		Clostebol, Stanozolol, Metandienone, Exogenous Steroids after IRMS (Testosterone, 5aAdiol, 5bAdiol, Androsterone, Etiocholanolone) Out-of-competition test, in USA
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