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Doping Irregularities at the Olympics (483)

Athlete Nation(s) Sport(s) Role(s) Era Notes
Fritz Aanes NOR WRE Olympics 2000—2004 2000 Sydney – Greco-Roman, 85 kg. Class (4). Nandrolone (anabolic steroid).
Mariya Abakumova RUS ATH Olympics 2008—2012 2008 Beijing – Javelin (2) – Turinabol (retest)
Mariya Abakumova RUS ATH Olympics 2008—2012 2012 London – Javelin (10) Retroactively stripped of all her results from 2008 Olympics to end of 2012 London Olympics partly due to positive test for Turinabol at 2011 World Championships.
El Hassan El-Abbassi BRN ATH Olympics 2016—2020 2020 Tokyo - Marathon (25); Original testing at 2020 Tokyo Olympics found evidence of blood doping.
Elvan Abeylegesse TUR ATH Olympics 2004—2008 Beijing 2008 – 5000m (2) 10000m (2) Retroactively stripped of all her results from 2007 to 2009 after testing positive at the 2007 World Championships. Stanozolol (retest)
Inga Abitova RUS ATH Olympics 2008 2008 Beijing – 10000m (6) – Turinabol (retest)
Alen Abramović CRO CCS Olympics 2006 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete.
Lyukman Adams RUS ATH Olympics 2012 2012 London - TJ (6) - Retroactively stripped of all his results from 2012 to 2014 after being found guilty of participating in doping programmes from 2012 to 2014.
Christian Ahlmann GER EJP Olympics 2004—2016 2008 Beijing – Jumping / Team Jumping (Ind (=28 QR) / Team (=5)). Capsaicin. Horse tested positive for substance.
Khadzhimurat Akkayev RUS WLF Olympics 2004—2008 2012 London – 105kg (DNS) – Turinabol (retest)
Khadzhimurat Akkayev RUS WLF Olympics 2004—2008 2008 Beijing – 94kg (3) – Turinabol (retest)
Ruslan Albegov RUS WLF Olympics 2012 2012 London - +105kg (3) - Undisclosed ADVs in 2011 or 2012
Denis Alekseyev RUS ATH Olympics 2008—2012 2008 Beijing – 400m (5 h1 r1/3) / 4 x 400m (3) – Turinabol (retest)
Denis Alekseyev RUS ATH Olympics 2008—2012 2012 London – 4 x 400m (5) – Retroactively stripped of all his results from 2008 to 2013 due to ban for positive test at 2008 Olympics
Misha Aloyan RUS BOX Olympics 2012—2016 2016 Rio de Janeiro – 52kg (2) – Tuaminoheptane
Bernardo Alves BRA EJP Olympics 2004—2008 2008 Beijing – Jumping / Team Jumping (Ind (=3) / Team (10)). Capsaicin. Horse tested positive for substance.
Anis Ananenka BLR ATH Olympics 2012 2012 London – 800m (7 h2 r1/3) – Turinabol (retest)
Adrián Annus HUN ATH Olympics 1996—2004 2004 Athínai – Hammer Throw (1). Tampering with urine sample, and then refusing to submit to a second test.
Nataliya Antyukh RUS ATH Olympics 2004—2012 2012 London - 400 m hurdles (Gold); Disqualified by AIU on 24 October 2022 based on LIMS evidence, with all results between 15 July 2012 and 29 June 2013 voided.
Lance Armstrong USA CRD Olympics 1992—2000 2000 Sydney – ITT (3) Retroactively stripped of all his results from 1998 to 2005 for a multitude of violations. Disqualified by IOC in 2013
Izzat Artykov KGZ WLF Olympics 2016 2016 Rio de Janeiro – 69kg (3) – Strychnine
Yelena Arzhakova RUS ATH Olympics 2012 2012 London – 800m (7) – Retroactively stripped of all her results from 2011 to 2013 for irregularities on her Athlete Biological Passport
Nadzeya Astapchuk BLR ATH Olympics 2004—2012 2008 Beijing – Shot put (3) – Turinabol and tamoxifen (retest)
Nadzeya Astapchuk BLR ATH Olympics 2004—2012 2012 London – Shot Put (1) – Metenolone
Apti Aukhadov RUS WLF Olympics 2012 2012 London – 85kg (2) – Turinabol (retest)
Bashir Babajanzadeh IRI WRE Olympics 2012—2016 2016 Rio de Janeiro – +130kg GR (10) – Results voided from May 2016 as a result of a doping violation prior to the Games – Testosterone
Nicklas Bäckström SWE IHO Olympics 2010—2014 2014 Sochi – Men (2) – Pseudoephedrine – Received public warning and allowed to keep medal.
Oleksandr Bahach UKR ATH Olympics 1996 2000 Sydney – Out-of-competition positive. Shot Put (DNS). Anabolic steroids.
Bakhvain Buyadaa MGL JUD Olympics 1972—1976 1972 München – 63 kg. Class (2). Dianabol (anabolic steroid).
Sergey Bakulin RUS ATH Olympics 2012 2012 London – 50km walk (6) – Retroactively stripped of all his results from 2009 to 2013 for irregularities on his Athlete Biological Passport
Dominik Baldauf AUT CCS Olympics 2018 2018 PyeongChang – Sprint (35) 15km (42) 4 x 10 km (13) Team Sprint (16) – lost all results from December 2016 to March 5, 2019 after it was found he used a prohibited method (blood doping) between those dates
Musaeb Abdulrahman Balla QAT ATH Olympics / Non-starter 2012—2016 2016 Rio de Janeiro – 800m (DNS) – Possession of illegal substances in June 2016
Khasan Baroyev RUS WRE Olympics 2004—2012 2008 Beijing – Greco-Roman 120kg (2) – Turinabol (retest)
Laura Barquero ESP FSK Olympics 2022 2022 Beijing – Pairs (11); Disqualified in October 2022 after investigation, and found to have a positive ADRV for Clostebol, but as of May 2023, no official announcement from the IOC or ISF.
Yarelis Barrios CUB ATH Olympics 2008—2012 2008 Beijing – Discus (2) – Acetazolamide (retest)
Michael Barry CAN CRD Olympics 1996—2008 2004 Athens – RR (DNF) Retroactively stripped of all his results from 2003 to 2006 for a multitude of violations
Dieter Baumann GER
FRG		 ATH Olympics 1988—1996 2000 Sydney – Out-of-competition positive. Distance races (DNS). Nandrolone (anabolic steroid).
Alain Baxter GBR ALP Olympics 1998—2006 2002 Salt Lake City – Slalom (3). Methamphetamine (stimulant).
Ludger Beerbaum GER
FRG		 EJP Olympics / Other 1988—2016 2004 Athínai – Jumping / Team Jumping (1). Betamethasone. Disqualified because his horse, Goldfever, was found to have a doping positive. Germany moved from 1st to 3rd but Beerbaum not awarded a medal.
Yevgeny Belov RUS CCS Olympics 2014 2014 Sochi – 15Km (25), 30km Skiathlon (19) – Involved in scheme involving switched samples
Maksim Belugin RUS BOB Olympics 2014 2014 Sochi – 2 man (4) 4 man (4) – Involved in scheme involving switched samples
Olha Beresnieva UKR OWS/SWM Olympics 2000—2012 2012 London – 10km open water (7) – EPO (retest)
Mariya Bespalova RUS ATH Olympics 2012 2012 London – Hammer (10) – Turinabol (retest)
Madina Biktagirova BLR
RUS
EUN		 ATH Olympics 1992—2000 1992 Barcelona – Marathon (4). Norephedrine (stimulant).
Erol Bilgin TUR WLF Olympics 2012 2012 London – 62kg (8) – Turinabol and Stanozolol (retest)
Yuriy Bilonoh UKR ATH Olympics 2000—2008 2004 Athínai – Shot Put (1). Oxandrolone metabolite (anabolic steroid). Disqualified in December 2012 after re-testing of samples from the 2004 Olympics.
Mete Binay TUR WLF Olympics 2012 2012 London – 69kgs (6) Disqualified in July 2020 after re-analysis of London samples showed presence of Stanazolol metabolites.
Blagoy Blagoev BUL WLF Olympics 1976—1980 1976 Montréal – 82½ kg. Class (2). Anabolic steroid.
Liudmyla Blonska UKR ATH Olympics 2008 2008 Beijing – Long jump / Heptathlon (LJ (3QR) / Hep (2)). Methyltestosterone (anabolic steroid). Second doping offense, and given a lifetime ban.
Valery Borchin RUS ATH Olympics 2008—2012 2012 London – 50km walk (DNF) – Retroactively stripped of all his results from 2009 to 2012 for irregularities on his Athlete Biological Passport
Abderrahhime Bouramdane MAR ATH Olympics 2008—2012 2012 London – Marathon (DNF) – Retroactively stripped of all his results from 2011 to 2015 for irregularities on his Athlete Biological Passport
Borut Božič SLO CRD Olympics 2008—2012 2012 London – road race (46) – lost all results from 2011 and 2012 due to use of -prohibited methods and/or prohibited substances
Kerrith Brown GBR JUD Olympics 1984—1988 1988 Seoul – 71 kg. Class (3). Furosemide (Lasix) (diuretic, masking agent).
Gamze Bulut TUR ATH Olympics 2012 2012 London – 1500m (2) Retroactively stripped of all her results from 2010 to 2016 for irregularities on her Athlete Biological Passport
Yolanda Caballero COL ATH Olympics 2012 2012 London – Marathon (DNF) – Retroactively stripped of all her results from 2011 to 2015 for irregularities on her Athlete Biological Passport
Aslı Çakır TUR ATH Olympics 2008—2012 2012 London – 1500m (1) Retroactively stripped of all her results from 2010 to 2013 for irregularities on her Athlete Biological Passport
María Luisa Calle COL CTR Olympics / Other 2000—2012 2004 Athínai – Points Race (3). Heptaminol (stimulant). Initially disqualified but this was later overturned by the Court of Arbitration for Sport.
Mark Cameron USA WLF Olympics 1976 1976 Montréal – 110 kg. Class (5). Anabolic steroid.
Cao Lei CHN WLF Olympics 2008 2008 Beijing – 75kg (1) – GHRP-2 (retest)
Dean Capobianco AUS ATH Olympics 1992—1996 1996 Atlanta – 200 metres (7 h2 r2/4). Anabolic steroid. DQed prior to the Olympics, but allowed to compete on appeal. Later retroactively DQed when that decision was determined to be a mistake.
Nesta Carter JAM ATH Olympics 2008—2012 2008 Beijing – 4 x 100m (1) – Methylhexanamine (retest)
Paul Cerutti MON SHO Olympics 1972—1976 1976 Montréal – Trap Shooting (43). Amphetamines (stimulant).
Fani Chalkia GRE ATH Olympics 2004 2008 Beijing – Out-of-competition positive. Non-competitor (DNS). Methyltrienolone (anabolic steroid). Tested positive in pre-competition test and not allowed to compete.
Sanamacha Chanu IND WLF Olympics 2000—2004 2004 Athínai – 53 kg. Class (4). Furosemide (Lasix) (diuretic, masking agent).
Yuliya Chekalyova RUS CCS Olympics 2014 2014 Sochi – 10km (11) 30km (31) Skiathlon (15) Women’s 4 x 5km relay (6) – Involved in scheme involving switched samples
Chen Qian CHN MPN Olympics 2008—2016 2016 Rio de Janeiro – Women (4) – Diuretic
Chen Xiexia CHN WLF Olympics 2008 2008 Beijing – 48kg (1) – GHRP-2 (retest)
Chen Xinyi CHN SWM Olympics 2016 2016 Rio de Janeiro – 50m free (DNS), 100 B/fly (4) – Hydrochlorothiazide
Yuliya Chermoshanskaya RUS ATH Olympics 2008 2008 Beijing – 200m (5 h1 r3/4) / 4 x 100m (1) – Turinabol (retest)
Tatyana Chernova RUS ATH Olympics 2008—2012 2008 Beijing – Heptathlon (3) – Turinabol (retest)
Tatyana Chernova RUS ATH Olympics 2008—2012 2012 London – Heptathlon (3) – Turinabol (retest) Retroactively stripped of all her results from 2009 to 2013 for irregularities on her Athlete Biological Passport
Anna Chicherova RUS ATH Olympics 2004—2012 2008 Beijing – High Jump (3) – Turinabol (retest)
Zulfiya Chinshanlo KAZ WLF Olympics / YOG 2010—2020 2012 London – 53kg (1) – Oxandrolone and Stanozolol (retest)
Sergey Chudinov RUS SKN Olympics 2010—2014 2014 Sochi – Skeleton (5) – Involved in scheme involving switched samples
Yelena Churakova RUS ATH Olympics 2012 2012 London - 400H (4 h3 r2/3); All results from 20 June 2012 to 28 February 2013 were voided after 3 positive tests in June-July 2012 found evidence of dehydrochlorotestosterone (Turinabol), Testosterone, Boldenone, Mesterolone, Methasterone, Metenolone, and Oxandrolone.
Dragomir Cioroslan ROU WLF Olympics 1976—1984 1976 Montréal – 75 kg. Class (5). Fencanfamine (stimulant).
Anatolii Cîrîcu MDA WLF Olympics 2012 2012 London – 94kg (3) – Turinabol (retest)
Roxana Cocoș ROU WLF Olympics 2008—2012 2012 London - 69kg (2) - Metenolone and Stanozolol (retest)
Mickey Coll PUR BKB Olympics 1972 1972 München – Basketball (6). Ephedrine (stimulant).
Andrea Collinelli ITA CTR Olympics 1996 2000 Sydney – Out-of-competition positive. Individual Pursuit (DNS). Increased hematocrit levels (>50.0).
Kissya Costa BRA ROW Olympics 2012 2012 London – Single sculls (18). Erythropoietin (EPO).
Crystal Cox USA ATH Olympics 2004 2004 Athínai – 4x400 metre relay (4x400 (1)). Admitted in 2010 to systematic doping with anabolic steroids from 2001-04.
Florin Croitoru ROU WLF Olympics / YOG 2010—2012 2012 London – 56kg (9) – dehydrochlormethyltestosterone, metenolone and stanozolol (retest)
Sean Crooks CAN CCS Olympics 2006 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete.
Kálmán Csengeri HUN WLF Olympics 1988 1988 Seoul – 75 kg. Class (4). Stanozolol (anabolic steroid).
Ali Dad AFG WRE Olympics 1988 1988 Seoul – Freestyle, 62 kg. Class (Eliminated 3rd Round). Furosemide (Lasix) (diuretic, masking agent).
Siarhei Dalidovich BLR CCS Olympics 1994—2018 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete.
Meline Daluzyan ARM WLF Olympics 2012 2012 London – 69kg (DNF) – Stanozolol and Turinabol (retest)
Silviya Danekova BUL ATH Olympics / Non-starter 2012—2016 2016 Rio de Janeiro – 3000m SC (DNS) – EPO (Pre-Olympic testing)
Ashot Danielyan ARM WLF Olympics 1996—2004 2000 Sydney – Unlimited Class (3). Stanozolol (anabolic steroid).
Olga Danilova RUS
EUN		 CCS Olympics 1992—2002 2002 Salt Lake City – 10 km. / Pursuit / 30 km. (10K (2) / Pursuit (1) / 30K (7)). Darbopoietin (EPO analog).
Bonnie Dasse USA ATH Olympics 1988—1992 1992 Barcelona – Shot Put (14 QR / DNQ). Clenbuterol (ß-agonist).
Irina Davydova RUS ATH Olympics 2012 2012 London - 400m Hurdles (5 h2 r2/3) - Evidence from the LIMS database
Nataliya Davydova UKR WLF Olympics 2008 2008 Beijing – 69kg (3) – Turinabol (retest)
Mary Decker-Slaney USA ATH Olympics 1984—1996 1996 Atlanta – Tested positive on 17 June 1996, for which she was suspended retroactively on 16 September 1997.
Nick Delpopolo USA JUD Olympics 2012—2016 2012 London – Lightweight (=7th). Marijuana.
Andrey Demanov RUS WLF Olympics 2012 2012 London – 94kg (4) – Turinabol (retest)
Rick DeMont USA SWM Olympics 1972 1972 München – 400 metre Freestyle (1). Ephedrine (stimulant).
Stefan Denifl AUT CRD Olympics 2016 2016 Rio de Janeiro – Road Race (DNF) – lost all results from June 1, 2014 to March 5, 2019 after it was found he used a prohibited method between June 2014 and the end of 2018.
Betlhem Desalegn Belayneh UAE ATH Olympics / Non-starter 2012—2016 2016 Rio de Janeiro – 1500m (DNS) Retroactively stripped of all her results from 2014 to 2016 for irregularities on her Athlete Biological Passport
Pigi Devetzi GRE ATH Olympics / Other 2004—2008 2008 Beijing – Triple Jump (3) – Retroactively stripped of all her results since the 2007 World Championships after testing positive for Stanozolol.
Roland Diethart AUT CCS Olympics 2006 2006 Torino – 4x10 km. relay (DNF). IOC Disciplinary investigation. Found to have been involved in an elaborate blood doping scheme.
Đỗ Thị Ngân Thương VIE GAR Olympics 2008—2012 2008 Beijing – All-Around (59). Furosemide (Lasix) (diuretic, masking agent).
Bahar Doğan TUR ATH Olympics 2008—2012 2012 London – Marathon (62) – Retroactively stripped of all her results from 2011 to 2013 for irregularities on his Athlete Biological Passport
Marta Domínguez ESP ATH Olympics 1996—2012 2012 London – 3000m SC (12) – Retroactively stripped of all her results from 2009 to 2013 for irregularities on her Athlete Biological Passport
Anastasiya Dotsenko RUS CCS Olympics 2014 Sochi 2014 – Sprint (21) Team Sprint (6) – Involved in scheme involving switched samples
Izabela Dragneva BUL WLF Olympics 2000—2004 2000 Sydney – 48 kg. Class (1). Furosemide (Lasix) (diuretic, masking agent).
Hamza Driouch QAT ATH Olympics / YOG 2010—2012 2012 London – 1500m (h1 10th r2/3) – Retroactively stripped of all his results from August 2 2012 to 2015 for irregularities on his Athlete Biological Passport
Oleksandr Dryhol UKR ATH Olympics 2012 2012 London – Hammer (34) – Turinabol (retest)
Alexandru Dudoglo MDA WLF Olympics 2008 2008 Beijing – 69kg (9) – Stanozolol (retest)
Johannes Dürr AUT CCS Olympics 2014 2014 Sochi – Skiathlon (8) – EPO
Maksim Dyldin RUS ATH Olympics 2008—2012 2012 London – 400m (5 h2 r2/3) 4 x 400m relay (5) – Turinabol (retest)
Inna Dyubanok RUS IHO Olympics 2010—2014 2014 Sochi – Women (6) – Involved in scheme involving switched samples
Vadzim Dzeviatouski BLR ATH Olympics 2004—2008 2008 Beijing – Hammer Throw (3). Testosterone (anabolic steroid). Medal originally removed, but later overturned on appeal to the Court of Arbitration for Sport.
Johannes Eder AUT CCS Olympics 2006 2006 Torino – 4x10 km. relay / Team Sprint (DNF / 9 semi2). IOC Disciplinary investigation. Found to have been involved in an elaborate blood doping scheme.
Sandra Farmer-Patrick JAM
USA		 ATH Olympics 1984—1996 1996 Atlanta - 400 m hurdles (5 h2 r2/3); Retroactively disqualified by the IAAF following a positive doping test at the 1996 US Olympic Trials.
Olga Fatkulina ROC
RUS		 SSK Olympics / Other 2010—2022 2014 Sochi – 500m (2), 1000m (4), 1500 (9) – Involved in scheme involving switched samples
Róbert Fazekas HUN ATH Olympics 2000—2008 2004 Athínai – Discus Throw (1). Refusal to provide a urine sample.
Vasyl Fedoryshyn UKR WRE Olympics 2004—2012 2008 Beijing – 60kg Freestyle (2) – Turinabol (retest)
Tatyana Firova RUS ATH Olympics 2004—2012 2008 Beijing – 400m (6) / 4 x 400m (2) – Turinabol (retest)
Alina Fodorova UKR ATH Olympics 2016 2016 Rio de Janeiro – Heptathlon (28) Retroactively DQed in 2018 for period from 27 July 2016 t0 15 June 2020 for a positive ARDV
Mabel Fonseca PUR WRE Olympics 2004 2004 Athínai – Freestyle, 55 kg. class (5). Stanozolol (anabolic steroid).
Samuel Francis QAT ATH Olympics 2008 2008 Beijing – 100 metres (8 h1 r3/4) – Stanozolol (retest)
Ralfs Freibergs LAT IHO Olympics 2014—2022 2014 Sochi – Men (8) – Turinabol
Olga Fyodorova-Stulneva RUS ATH/BOB Olympics 2004—2014 2014 Sochi – Women’s bobsleigh (18) – Involved in scheme involving switched samples
Jean-Marc Gaillard FRA CCS Olympics 2006—2018 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete.
Yekaterina Galitskaya RUS ATH Olympics 2012 2012 London - 100 m hurdles (5 h1 r2/3) - Retroactively stripped of all her results from 2012 to 2014 after being found guilty of participating in doping programmes from 2012 to 2014. 120539
Luiza Galiulina UZB GAR Olympics 2008 2012 London – Out-of-competition positive. All-Around (DNS). Furosemide (Lasix) (diuretic, masking agent).
Anton Galkin RUS ATH Olympics 2004 2004 Athínai – 400 metres (4). Stanozolol (anabolic steroid).
Vera Ganeyeva RUS ATH Olympics 2012 2012 London – Discus (23) – Turinabol (retest)
Tyson Gay USA ATH Olympics 2008—2016 2012 London – 100m (4) / 4x100m (2) – Retroactively stripped of all his results from July 2012 to 2014 after admitting use of a banned substance – Oxilofrine
Angel Genchev BUL WLF Olympics 1988 1988 Seoul – 67½ kg. Class (1). Furosemide (Lasix) (diuretic, masking agent).
Theodora Giareni GRE SWM Olympics / Non-starter 2012—2016 2016 Rio de Janeiro – 50m freestyle (DNS) – SARMS in pre-Olympic testing
Yekaterina Glazyrina RUS BTH Olympics 2014 2014 Sochi – 15km (59) – Retroactively stripped of all her results from 19 December 2013 through 10 February 2017 after investigation by IBU
Yekaterina Gnidenko RUS CTR Olympics 2012 2012 London – Keirin (8) Sprint (18) – Turinabol (retest)
Mitko Grablev BUL WLF Olympics 1988 1988 Seoul – 56 kg. Class (1). Furosemide (Lasix) (diuretic, masking agent).
Mariya Grabovetskaya KAZ WLF Olympics 2008 2008 Beijing – +75kg (3) – Turinabol, Oxandrolone and Stanozolol (retest)
Serafim Grammatikopoulos GRE WLF Olympics 1984 1984 Los Angeles – Unlimited Class (DNF). Nandrolone (anabolic steroid).
Yelizaveta Grechishnikova RUS ATH Olympics 2012 2012 London – 10000m (19) – Retroactively stripped of all her results from 2009 to 2013 for irregularities on her Athlete Biological Passport
Teja Gregorin SLO BTH/CCS Olympics 2002—2014 2010 Torino – 7.5km (36) 10km (9) 12.5km (9) 15km (5) 4 x 6 km relay (8). – GHRP-2 (retest)
Stian Grimseth NOR WLF Olympics 1996—2004 2000 Sydney – Out-of-competition positive. Non-competitor (DNS). Nandrolone (anabolic steroid). Admitted to taking supplement Ribose, which was later found to contain Nandroline. Grimseth sued the manufacturer and won and his doping sentence was reduced.
Phil Grippaldi USA WLF Olympics 1968—1976 1976 Montréal – 90 kg. Class (4). Anabolic steroid.
Zafar Guliyev RUS WRE Olympics 1996 1996 Atlanta – Greco-Roman, 48 kg. Class (3). Bromantan (Clenbuterol) (ß-agonist). A reprimand was given but the medal was allowed to stand.
Viktoriya Gurova-Valyukevich RUS ATH Olympics 2004—2012 2012 London – Triple jump (8) – Turinabol (retest)
Yuliya Gushchina RUS ATH Olympics 2008—2012 2012 London – 4 x 400m (2), 400m (4 h1 r2/3) – Stanozolol & Turinabol (retest)
Ferenc Gyurkovics HUN WLF Olympics 2004 2004 Athínai – 105 kg. Class (2). Oxandrolone (anabolic steroid).
Semoy Hackett TTO ATH Olympics / Non-starter 2008—2020 2012 London – 100m (5 h1 r2/3) 200m (8) 4x100 (DNF) – Retroactively stripped of all her results due to a Methylhexamine positive in June 2012
Vésteinn Hafsteinsson ISL ATH Olympics 1984—1996 1984 Los Angeles – Discus Throw (14QR / DNQ). Nandrolone (anabolic steroid).
Hussain Al-Hamdah KSA ATH Olympics 2012 2012 London – 5000m (h1 20th r1/2) – Retroactively stripped of all his results from 2009 to 2013 for irregularities on his Athlete Biological Passport
Tetiana Hamera-Shmyrko UKR ATH Olympics 2012 2012 London – Marathon (5) – Retroactively stripped of all her results from 2011 to 2015 for irregularities on her Athlete Biological Passport
Tyler Hamilton USA CRD Olympics 2000—2004 2004 Athínai – Individual Time Trial (1). Road race (18) Blood doping. His A-sample later suggested he may have blood doped. His B-sample was frozen and when it was attempted to be analyzed, it was not suitable for analysis. Thus this was not a doping positive. However, the Russian Olympic Committee protested, as their rider, Vyacheslav Yekimov, would have moved up to the gold medal position. This protest was eventually disallowed by the Court of Arbitration for Sport and Hamilton retained his gold medal. However in 2011 he confessed that he had used doping products for a large part of his career and voluntarily returned his Olympic gold medal to the IOC. He was formally stripped of the medal in 2012.
Tony André Hansen NOR EJP Olympics 2008 2008 Beijing – Jumping / Team Jumping (Ind (1 QR) / Team (3)). Capsaicin. Horse tested positive for substance.
Max Hauke AUT CCS Olympics 2014—2018 2018 PyeongChang – 15 km (29) 30 km (27) 50 km (36) 4 x 10 km (13) – ost all results from December 2016 to March 5, 2019 after it was found he used a prohibited method (blood doping) between those dates
Sərdar Həsənov AZE WLF Olympics 2008—2012 2008 Beijing – 62kg (AC) – Turinabol (retest)
George Hincapie USA CRD Olympics 1992—2008 2004 Athens – RR (8th) Retroactively stripped of all his results from 2004 to 2006 for a multitude of violations
Hassan Hirt FRA ATH Olympics 2012 2012 London – 5,000 metres (11 h1 r1/2). Erythropoietin (EPO).
Abdelmajid El-Hissouf MAR ATH Olympics 2016 2016 Rio de Janeiro – Marathon (68) – Retroactively stripped of all her results from 2014 onwards for irregularities on his Athlete Biological Passport
Aad van den Hoek NED CRD Olympics 1972 1972 München – 100 km. Team Time Trial (3). Coramine (stimulant).
Valentin Hristov BUL WLF Olympics 1976—1980 1976 Montréal – 110 kg. Class (1). Anabolic steroid.
Jaime Huélamo ESP CRD Olympics 1972 1972 München – Individual Road Race (3). Coramine (stimulant).
Lidiya Hunko UKR BOB Olympics 2022 2022 Beijing – Monobob (20); Disqualified in March 2023 after investigation and found to have a positive ADRV for Turinabol metabolites.
Kirill Ikonnikov RUS ATH Olympics 2008—2012 2012 London – Hammer (6) – Turinabol (retest)
Ilya Ilyin KAZ WLF Olympics 2008—2012 2008 Beijing – 94kg (1) – Stanozolol (retest)
Ilya Ilyin KAZ WLF Olympics 2008—2012 2012 London – 94kg (1) – Stanozolol (retest)
Cristina Iovu MDA WLF Olympics 2012 2012 London – 53kg (3) – Turinabol (retest)
Aleksandr Ivanov RUS WLF Olympics 2012 2012 London – 94kg (2) – Turinabol (retest)
Ivan Ivanov BUL WLF Olympics 1992—2000 2000 Sydney – 56 kg. Class (2). Furosemide (Lasix) (diuretic, masking agent).
Yuliya Ivanova RUS CCS Olympics 2014 2014 Sochi – 10km (17), 30km (30), 4x5k relay (6), team sprint (6) – Involved in scheme involving switched samples
Nataliya Ivoninskaya KAZ ATH Olympics 2008—2012 2012 London – 100m hurdles (7 h3 r1/3) – Turinabol and Stanozolol (retest)
Žiga Jeglič SLO IHO Olympics 2014—2018 2018 PyeongChang – Ice Hockey (11) – Fentoterol
Tomas Johansson SWE WRE Olympics 1984—1996 1984 Los Angeles – Greco-Roman, Unlimited Class (2). Methenolone (anabolic steroid).
Ben Johnson CAN ATH Olympics 1984—1992 1988 Seoul – 100 metres (1). Stanozolol (anabolic steroid).
Marion Jones USA ATH Olympics 2000—2004 2000 Sydney – 100 / 200 / 4x1 / 4x4 / Long Jump (100 (1) / 200 (1) / 4x1 (3) / 4x4 (1) / LJ (3)). Tetrohydrogestinone (THG), aka "The Clear" (anabolic steroid). Confirmed October 2007, when Jones pleaded guilty in USA Federal Court to lying to federal agents about her steroid use prior to the 2000 Olympic Games. Disqualified by IOC in December 2007.
Marion Jones USA ATH Olympics 2000—2004 2004 Athínai – 4x1 / Long Jump (4x1 (DNF) / LJ (5)). Tetrohydrogestinone (THG), aka "The Clear" (anabolic steroid). Confirmed October 2007, when Jones pleaded guilty in USA Federal Court to lying to federal agents about her steroid use prior to the 2000 Olympic Games. Disqualified by IOC in December 2007.
Zbigniew Kaczmarek POL WLF Olympics 1972—1980 1976 Montréal – 67½ kg. Class (1). Anabolic steroid.
Yuliya Kalina UKR WLF Olympics 2012 2012 London – 58kg (3) – Turinabol (retest)
Alissa Kallinikou CYP ATH Olympics 2008 2008 Beijing – 400m (5 h7 r1/3) – Retroactively stripped of all her results since 1 July 2008 after testing positive for Testosterone
Valiantsina Kaminskaya BLR
UKR		 CCS Olympics 2014—2022 2022 Beijing - Sprint (70) / 10 km (79) / Relay (18); Disqualified in February 2022 after re-test of samples finding a positive ADRV for a Mesterolone metabolite.
Vladimir Kanaykin RUS ATH Olympics 2012 2012 London – 20km walk (DSQ (lifting) – Retroactively stripped of all his results from 2011 to 2012 for irregularities on his Athlete Biological Passport
Anwar Kandafil MAR WRE Olympics 1996 2000 Sydney – Out-of-competition positive. Non-competitor (DNS). Drug not announced.
Olga Kaniskina RUS ATH Olympics 2008—2012 2012 London – 20km walk (2) – Retroactively stripped of all her results from 2009 to 2013 for irregularities on her Athlete Biological Passport
Anastasiya Kapachinskaya RUS ATH Olympics 2008—2012 2012 London – 4 x 400 (3) – Retroactively stripped of all her results from 2008 to 2017 due to ban imposed after testing positive at the Beijing Olympixs.
Anastasiya Kapachinskaya RUS ATH Olympics 2008—2012 2008 London – 4 x 400 (3) – Turinabol and stanozolol.(retest)
Natallia Kareyva BLR ATH Olympics 2012 2012 London – 1500m (7) – Retroactively stripped of all her results from 2010 to 2014 for irregularities on her Athlete Biological Passport
Endri Karina ALB WLF Olympics 2012 2012 London - 94kg (14) - Stanozolol (retest)
Algo Kärp EST CCS Olympics 2010—2018 2018 PyeongChang – 50km (17) 4 x 10 km (12) Involved in a scheme using a prohibited method (blood doping) prior to the Games
Aleksandr Kasyanov RUS BOB Olympics 2014 2014 Sochi – Two-man (4), Four-man (4) – Involved in scheme involving switched samples
Zoltán Kecskés HUN WLF Olympics 1996 2004 Athínai – Out-of-competition positive. Non-competitor (DNS). Substance not released. Did not compete.
Simon Kemboi KEN ATH Olympics 1992—1996 2000 Sydney – Out-of-competition positive. 4x400 metre relay (DNS). Nandrolone (anabolic steroid).
Gulfiya Khanafeyeva RUS ATH Olympics 2012 2012 London – Hammer (15) – Turinabol (retest)
Natallia Kharaneka-Mikhnevich BLR ATH Olympics 2004—2012 2008 Beijing – Shot put (2) – Methandienone and Stanozolol (retest)
Hripsime Khurshudyan ARM WLF Olympics 2008—2012 2008 Beijing – 75kg (11) – Dehydrochlormethyltestosterone and Stanozolol (retest)
Hripsime Khurshudyan ARM WLF Olympics 2008—2012 2012 London – +75kg (3) – Turinabol and Stanozolol (retest)
Ilvir Khuzin RUS BOB Olympics 2014 2014 Sochi – Four-man (4) – Involved in scheme involving switched samples
Kim Jong-Su PRK SHO Olympics 2004—2016 2008 Beijing – Air Pistol / Free Pistol (AirPistol (3) / FreePistol (2)). Propranolol (ß-antagonist/blocker).
Kim Un-Hyang PRK
COR		 IHO Olympics 2018 2018 PyeongChang – Ice Hockey (8) – Hydrochlorothiazide – No fault violation so not disqualified.
Courtney King-Dye USA EDR Olympics 2008 2008 Beijing – Dressage / Team Dressage (Ind (13) / Team (4)). Felbinac. Horse tested positive for substance.
Ümmü Kiraz TUR ATH Olympics 2012 2012 London – Marathon (88) – Retroactively stripped of all her results from 2011 to 2013 for irregularities on her Athlete Biological Passport
Miroslav Kirchev BUL CSP Olympics 2012—2016 2012 London – K1-1000m (11) -
Sergey Kirdyapkin RUS ATH Olympics 2008—2012 2012 London – 50km walk (1) – Retroactively stripped of all his results from 2009 to 2013 for irregularities on his Athlete Biological Passport