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Doping Irregularities at the Olympics (483)

Athlete Nation(s) Sport(s) Role(s) Era Notes
Anisya Kirdyapkina RUS ATH Olympics 2012 2012 London – 20km walk (4) – Retroactively stripped of all her results from 2011 to 2013 for irregularities on her Athlete Biological Passport
Alena Kiyevich BLR ATH Olympics 2012 2012 London - 4 x 400 relay (4 h1 r1/2) Evidence from the LIMS database
Adem Kılıççı TUR BOX Olympics 2008—2012 2012 London – 75kg (5) – Turinabol (retest)
Blaža Klemenčič SLO MTB Olympics 2008—2012 2012 London –Mountain biking (23) – Tested positive for EPO in retest of sample from March 2012. Retroactively stripped of all her results from March to December 2012 for irregularities on her Athlete Biological Passport
Yevgeniya Kolodko RUS ATH Olympics 2012 2012 London – Shot (2) – Turinabol and Ipamorelin (retest).
Yuliya Kondakova RUS ATH Olympics 2008—2012 2012 London – 100m hurdles (5 h1 r2/3) – Retroactively stripped of all her results from 2012 to 2016 after being found guilty of participating in doping programmes in 2012 and 2013
Andrey Korneyev RUS SWM Olympics 1996 1996 Atlanta – 200 metre Breaststroke (3). Bromantan (Clenbuterol) (ß-agonist). A reprimand was given but the medal was allowed to stand.
Olha Korobka UKR WLF Olympics 2004—2008 2008 Beijing – 75kg (3) – Turinabol (retest)
Pavel Korostelyov RUS CCS Olympics 2006 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete.
Irina Korzhanenko RUS ATH Olympics 1996—2004 2004 Athínai – Shot Put (1). Stanozolol (anabolic steroid).
Yekaterina Kostetskaya RUS ATH Olympics 2008—2012 2012 London – 1500m (9) – Retroactively stripped of all her results from 2011 to 2015 for irregularities on her Athlete Biological Passport
Boyanka Kostova AZE
BUL		 WLF Olympics / YOG 2010—2012 2012 London – 58kg (5) – Turinabol and Stanozolol (retest)
Zoltán Kovács HUN WLF Olympics 2000—2004 2004 Athínai – 105 kg. Class (DNF). Refusal to provide a urine sample.
Liudmyla Kovalenko UKR ATH Olympics 2012 2012 London – 5000 m (11 h1 r1/2) – Results voided for biological passport violation June 2012 to April 2016
Nazar Kovalenko UKR ATH Olympics 2012—2016 2012 London - 20K Walk (27); Disqualified in March 2020 after re-test of samples finding a positive ADRV.
Svetlana Krivelyova RUS
EUN		 ATH Olympics 1992—2004 2004 Athínai – Shot Put (3). Oxandrolone metabolite (anabolic steroid). Disqualified in December 2012 after re-testing of samples from the 2004 Olympics.
Antonina Krivoshapka RUS ATH Olympics 2012 2012 London – 400m (6), 4x400 (2) – Turinabol (retest)
Andrey Krivov RUS ATH Olympics 2012 2012 London – 20k walk (37) Retroactively stripped of all his results from 2011 to 2017 for irregularities on her Athlete Biological Passport
Aleksandr Krushelnitsky ROC CUR Olympics 2018 2018 PyeongChang – Mixed doubles (3) – Meldonium
Paval Kryvitski BLR ATH Olympics 2012 2012 London – Hammer (28) – Turinabol and Stanozolol (retest)
Anastasiya Kudinova KAZ ATH Olympics 2016 2016 Rio de Janeiro – 400m (h8-7th r1/3) – Drostanolone prior to Games
Besik Kudukhov RUS WRE Olympics 2008—2012 2012 London – 65kg – Turinabol (retest). IOC Issued a statement "Disciplinary proceedings, which could have resulted in the establishment of the anti-doping rule violation and the consequences resulting therefrom cannot be conducted against a deceased person. Consequently, these proceedings must be filed."
Galina Kulakova RUS
URS		 CCS Olympics 1968—1980 1976 Innsbruck – 5 km. (3). Ephedrine (stimulant). Kulakova also finished 3rd in the 10 km. and 1st in the relay, but was allowed to keep those medals.
Iryna Kulesha BLR WLF Olympics 2008—2012 2012 London – 75kg (3) – Turinabol and stanozolol.(retest)
Iryna Kulesha BLR WLF Olympics 2008—2012 2008 Beijing – 75kg (4) – Turinabol (retest)
Marco Kutscher GER EJP Olympics 2004—2008 2008 Beijing – Jumping / Team Jumping (Ind (38) / Team (8)). Capsaicin. Horse tested positive for substance.
Stefan Laggner AUT WLF Olympics 1984 1984 Los Angeles – Unlimited Class (4). Nandrolone (anabolic steroid).
Eric Lamaze CAN EJP Olympics 2008—2016 2000 Sydney – Out-of-competition positive. Non-competitor (DNS). Cocaine. Also disqualified from Canadian team in 1996 for a positive cocaine test.
Dmitry Lapikov RUS WLF Olympics 2008 2008 Beijing – 105kg (3) – Turinabol (retest)
Yelena Lashmanova RUS ATH Olympics 2012 2012 London - 20K Walk (Gold); Failed retest of sample from 2012 Olympics. The AIU announced disqualification of all her results from February 2012 to January 2014.
Larisa Lazutina RUS
EUN		 CCS Olympics / Other 1992—2002 2002 Salt Lake City – 10 km (4) / 15 km (2) / 30 km. (1) / Pursuit (2). Darbopoietin (EPO analog).
Aliaksandr Lazutkin BLR CCS Olympics / Other 2006—2014 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete.
Tatyana Lebedeva RUS ATH Olympics 2000—2012 2008 Beijing – Long jump (2), Triple jump (2) – Turinabol (retest)
Yekaterina Lebedeva RUS IHO Olympics 2010—2014 2014 Sochi – Women (6) – Involved in scheme involving switched samples
Walter Legel AUT WLF Olympics 1960—1980 1972 München – 67½ kg. Class (15). Amphetamines (stimulant).
Aleksandr Legkov RUS CCS Olympics 2006—2014 2014 Sochi – 30km skiathlon (11), 50km (1), 4x10 relay (2) – Involved in scheme involving switched samples
Lorne Leibel CAN SAL Olympics 1976 1976 Montréal – Tempest Class (7). Phenylpropanolamine (stimulant) (he had taken Dristan). DQed for the affected race only, not for the entire event.
Levi Leipheimer USA CRD Olympics 2004—2008 2004 Athens – RR (DNF) Retroactively stripped of all his results from 1999 to 2006 for a multitude of violations
Alexander Leipold GER
FRG		 WRE Olympics 1988—2000 2000 Sydney – Freestyle, 76 kg. Class (1). Nandrolone (anabolic steroid).
Aliaksei Liasnichi BLR ATH Olympics 2004 2004 Athínai – High Jump (DNQ Group B). Clenbuterol (ß-agonist).
Hans-Gunnar Liljenwall SWE MPN Olympics 1964—1972 1968 Ciudad de México – Individual / Team (3). Alcohol (depressant).
Liu Chunhong CHN WLF Olympics 2004—2008 2008 Beijing – 69kg (1) – GHRP-2 and sibutramine (retest)
Liu Yunfeng CHN ATH Olympics 2004 2000 Sydney – Out-of-competition positive. Racewalking (DNS). Drug not announced.
Jud Logan USA ATH Olympics 1984—2000 1992 Barcelona – Hammer Throw (4). Clenbuterol (ß-agonist).
Aleksandr Loginov ROC
RUS		 BTH Olympics 2014—2022 2014 Sochi – 20km (30) – EPO (retest of sample from 2013)
Nataliya Lupu UKR ATH Olympics 2012—2016 2016 Rio de Janeiro – 800m (8 h2 r2/3) Tested positive for Exogenous Steroids in July.2016, IAAF have voided all her results since then
Denis Lynch IRL EJP Olympics 2008 2008 Beijing – Jumping (=8). Capsaicin. Horse tested positive for substance.
Tatyana Lysenko RUS ATH Olympics 2004—2012 2012 London – Hammer (1) – Turinabol (retest)
Paval Lyzhyn BLR ATH Olympics 2004—2012 2008 Beijing – Shot put (4) – Turinabol (retest)
Emmanuel Magnien FRA CRD Olympics 1992 2000 Sydney – Out-of-competition positive. Non-competitor (DNS). Corticosteroid cream. 3-months suspension but missed the Olympics.
Maryna Malets-Lisohor UKR CCS Olympics 2006—2014 2014 Sochi – Team sprint (DNS) – Trimetazidine
Aset Mambetov KAZ WRE Olympics 2004—2008 2008 Beijing – 96kg GR (3) – Stanozolol (retest)
Maiya Maneza KAZ WLF Olympics 2012 2008 Beijing – 63kg (DNS) – Stanozolol (retest)
Maiya Maneza KAZ WLF Olympics 2012 2012 London – 63kg (1) – Stanozolol (retest)
Kornelia Marek-Kubińska POL CCS Olympics 2010—2014 2010 Vancouver – 10K / 30K / Skiathlon / Relay / Team Sprint (10K (39) / 30K (11) / Skiathlon (35) / Relay (6) / Team Sprint (9)). Erythropoietin (EPO).
Zalina Marghieva-Petrivskaya MDA ATH Olympics / Other 2008—2020 2012 London – Hammer (8) – Results voided from 2009 to 2013 as a result of a doping violation at the 2009 World Championships – Stanozolol and Dehydrochloromethyltestosterone
Fernando Mariaca ESP WLF Olympics 1984—1992 1988 Seoul – 67½ kg. Class (13). Pemoline (stimulant).
Răzvan Martin ROU WLF Olympics 2008—2012 2012 London - 69kg (3) - Dehydrochlormethyltestosterone, Metenolone and Stanozolol.(retest)
Wilfredo Martínez CUB ATH Olympics 2008 2008 Beijing – Long jump (5) – Acetazolamide (retest)
Tigran Gevorg Martirosyan ARM WLF Olympics 2008 2008 Beijing – 69kg (3) – Stanozolol and Turinabol (retest)
Yekaterina Martynova RUS ATH Olympics 2012 2012 London – 1500m (h2 7th r1/3) – Retroactively stripped of all her results from 2011 to 2015 for irregularities on her Athlete Biological Passport
Alena Matoshka BLR ATH Olympics 2012 2012 London – Hammer (25) – Oxandrolone (retest)
Nataliya Matveyeva RUS CCS Olympics 2006—2014 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete.
Nataliya Matveyeva RUS CCS Olympics 2006—2014 2014 Sochi – Sprint (4 h4 r2/4) – Involved in scheme involving switched samples
Marc Mayer AUT CCS Olympics 2002 2002 Salt Lake City – 50 km. / Pursuit / Sprint (50K (24) / Pursuit (50) / Sprint (21)). Blood doping.
Maksym Mazuryk UKR ATH Olympics 2008—2012 2012 London – Pole vault (18) – Turinabol (retest)
Marie McMahon-Davenport IRL ATH Olympics 1996—2004 1996 Atlanta – 5,000 metres (14 h2 r1/2). Phenylpropanolamine (stimulant). A warning was given because of extenuating circumstances.
Nijolė Medvedeva LTU ATH Olympics 1992 1992 Barcelona – Long Jump (4). Meziocarde (a stimulant).
Karin Melis TUR ATH Olympics 2008—2016 2012 London – Long Jump (DNS r2/2) – Results voided from June 2012 as a result of a doping violation prior to the Games – Testosterone
Aksana Miankova BLR ATH Olympics 2008—2012 2008 Beijing – Hammer (1) – Stanozolol and Turinabol (retest)
Aksana Miankova BLR ATH Olympics 2008—2012 2012 London – Hammer (7) – Turinabol and Stanozolol (retest)
Andrei Mikhnievich BLR ATH Olympics 2000—2012 2008 Beijing – Shot put (3) – Retroactively stripped of all his results from 2005 onwards after retests of the 2005 world Championships triggered a retrospective life ban,
Andrei Mikhnievich BLR ATH Olympics 2000—2012 2012 London – Shot put (17q) – Retroactively stripped of all his results from 2005 onwards after retests of the 2005 world Championships triggered a retrospective life ban,
Sadik Mikhou BRN ATH Olympics 2020 2020 Tokyo - 1500m (8 h2 r1/3); Original testing at 2020 Tokyo Olympics found evidence of blood doping.
Sevdalin Minchev BUL WLF Olympics 1992—2004 2000 Sydney – 62 kg. Class (3). Furosemide (Lasix) (diuretic, masking agent).
Anastasiya Mironchyk-Ivanova BLR ATH Olympics 2012—2020 2012 London – Long jump (7) – Turinabol (retest)
Hanna Mishchenko UKR ATH Olympics 2008—2012 2012 London – 1500m (h3-11th r1/3) – Retroactively stripped of all her results from June 2012 to 2016 for irregularities on her Athlete Biological Passport
Gülcan Mıngır TUR ATH Olympics 2012 2012 London – 3000m SC (h2-10th r1/2) Turinabol (retest)
Davit Modzmanashvili GEO WRE Olympics 2012 2012 London – Freestyle – over 120 kgs (2) – Stanozolol and Turinabol (retest)
Jarosław Morawiecki POL IHO Olympics 1988 1988 Calgary – Ice Hockey (10). Testosterone (anabolic steroid).
Ghfran Mouhamad SYR ATH Olympics / Other 2012—2016 2012 London – 400 m hurdles (8 h2 r1/3). Methylhexanamine.
Johann Mühlegg GER
ESP		 CCS Olympics 1992—2002 2002 Salt Lake City – 10/10 km pursuit (1), 30 km (1), and 50 km. (1). Darbopoietin (EPO analog).
Angela Munguti KEN ATH YOG 2018 2018 Buenos Aires (Youth Olympic Games) – Disqualified from the girls' 800 metres after a re-test positive for Norandrosterone.
Semiha Mutlu TUR ATH Olympics 2012 2012 London – 20km walk (47) – Retroactively stripped of all her results from 2011 to 2013 for irregularities on her Athlete Biological Passport
Tezdzhan Naimova BUL ATH Olympics 2008 2008 Beijing – 100m (5 h9 r1/4) – Retroactively stripped of all her results since 28 June 2008 after being found guilty of tampering with the sample.
Nan Aye Khine MYA WLF Olympics 2004 2004 Athínai – 56 kg. Class (4). Anabolic steroid (not released).
Arjomand Mohamed Nasehi IRI WLF Olympics 1972 1972 München – 52 kg. Class (10). Ephedrine (stimulant).
Nathasha Rosa BRA WLF Olympics 2020 2020 - Tokyo - 49kg (9) - Hydrochlorothiazide in test from March 2021
Dilshod Nazarov TJK ATH Olympics / Other 2004—2016 2012 London - Hammer (9) - Turinabol (retest of sample from 2011 World Championships) .Retroactively stripped of all his results from 2011 to 2013
Anna Nazarova RUS ATH Olympics 2012 2012 London – Long Jump (6) – Turinabol (retest)
Aleksey Negodaylo RUS BOB Olympics 2014 2014 Sochi – Four-man (1) – Involved in scheme involving switched samples
Irina Nekrasova KAZ WLF Olympics 2008 2008 Beijing – 63kg (2) – Stanozolol (retest)
Yelena Nikitina ROC
RUS		 SKN Olympics 2014—2022 2014 Sochi – Women (3) – Involved in scheme involving switched samples
Vladimir Nikolov BUL VVO Olympics 2008—2012 2012 London - Men's team (4) - Methyltestosterone metabolites
Arne Norrback SWE WLF Olympics 1976 1976 Montréal – 60 kg. Class (eliminated). Anabolic steroid.
Mikalai Novikau BLR WLF Olympics 2012 2012 London - 86 kg (7); IWF announced that re-test of samples by IOC from 2012 Olympics produced an ADRV for dehydrochlorotestosterone (Turinabol) and Stanozolol.
Nastassia Novikau BLR WLF Olympics 2004—2012 2008 Beijing – 53kg (3) – Stanozolol and Turinabol (retest)
Ruslan Nurudinov UZB WLF Olympics 2012—2016 2012 London – 105kg (4) – Turinabol (retest)
Cian O'Connor IRL EJP Olympics 2004—2020 2004 Athínai – Jumping / Team Jumping (Individual (1)). Zuclopenthixol and fluphenazine. Disqualified because his horse, Waterford Crystal, was found to have a doping positive.
Michael O'Reilly IRL BOX Non-starter 2016 2016 Rio de Janeiro – Middleweight (DNS) – Diuretic – Withdrawn from competition shortly before the event.
Blessing Okagbare NGR ATH Olympics 2008—2020 2020 Tokyo – 100m (DNS h6 r3/4) 4 x 100m (DNS) - EPO and Human Growth Hormone - Prior to the Games
Olena Olefirenko UKR ROW Olympics 2004—2008 2004 Athínai – Quadruple Sculls (3). Etamivan (stimulant).
Yuliya Olishevska UKR ATH Olympics 2016 2016 Rio de Janeiro - 400 m (4h1 r1/3); 4-year ban given by AIU from 19 July 2016 to 30 December 2020 after positive re-test findings for Erythropoietin (EPO).
Josephine Onyia ESP ATH Olympics 2008 2008 Beijing – 100m Hurdles (5 h1 r2/3) – Methylhexanamine (retest)
Mariya Orlova RUS SKN Olympics 2014 2014 Sochi – Women (6) – Involved in scheme involving switched samples
Ösökhbayaryn Chagnaadorj MGL WLF Olympics 2016 2016 Rio de Janeiro – 56kg (DNF) – Testosterone.
Moukheld Al-Outaibi KSA ATH Olympics 2008—2016 2016 Rio de Janeiro – 5000m ( 21 h1 r1/2) – Results voided from May 2016 as a result of a doping violation prior to the Games – (CERA and Evasion of testing)
Bettina Overesch-Böker-Hoy GER
FRG		 EVE Olympics 1984—2004 2004 Athínai – Jumping / Team Jumping (3). Dihydroxyphenhydramine. Overturned on appeal.
Oyuunbilegiin Pürevbaatar MGL WRE Olympics 2000—2004 2000 Sydney – Freestyle, 58 kg. Class (5). Furosemide (Lasix) (diuretic, masking agent).
Sibel Özkan TUR WLF Olympics 2008 2008 Beijing – 48kg (2) – Stanozolol (retest)
Oleksandr P'iatnytsia UKR ATH Olympics 2012 2012 London – Javelin (2) – Turinabol (retest)
Vita Palamar UKR ATH Olympics 2000—2008 2008 Beijing – High jump (5) – Turinabol (retest)
Vasil Pankou BLR IHO Olympics 1998—2002 2002 Salt Lake City – Ice Hockey (4). Nandrolone (anabolic steroid).
Nikolay Pankratov RUS CCS Olympics 2006—2010 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete..
Nizami Paşayev AZE WLF Olympics / Other 2000—2008 2008 Beijing – 94kg (5)- Turinabol, Oxandrolone and Stanozolol (retest)
Yekaterina Pashkevich RUS IHO Olympics 2002—2014 2014 Sochi – Women (6) – Involved in scheme involving switched samples
Petr Pavlásek CZE
TCH		 WLF Olympics 1972—1976 1976 Montréal – 110 kg. Class (6). Anabolic steroid.
Vitālijs Pavlovs LAT IHO Olympics 2014 2014 Sochi – Men (8) – Methalhexamine – Disqualified for one game only
Daria Pchelnik BLR ATH Olympics 2008 2008 Beijing – Hammer (4) – Turinabol (retest)
Oleg Perepechonov RUS WLF Olympics 2004—2008 2004 Athens – Middleweight (3) – Clenbuterol
Vanja Perišić CRO ATH Olympics 2008 2008 Beijing – 800 m (2nd in heat). CERA re-test +.
Wolfgang Perner AUT BTH Olympics 1994—2006 2006 Torino – 20 km. / Sprint / Pursuit (20K (60) / Sprint (4) / Pursuit (25)). IOC Disciplinary investigation. Found to have been involved in an elaborate blood doping scheme.
Rodrigo Pessoa BRA EJP Olympics / Other 1992—2020 2008 Beijing – Jumping / Team Jumping (Ind (=27) / Team (10)). Capsaicin. Horse tested positive for substance.
Göran Pettersson SWE WLF Olympics 1984 1984 Los Angeles – 110 kg. Class (6). Nandrolone (anabolic steroid).
Antonio Pettigrew USA ATH Olympics 2000 2000 Sydney – 400 / 4x400 (400 (7) / 4x400 (1)). Erythopoietin / HGH. Exposed and disqualified in 2008 when documents were revealed at trial of Trevor Graham, his former coach.
Aleksey Petukhov RUS CCS Olympics 2010—2014 2014 Sochi – Sprint (8) – Involved in scheme involving switched samples
Marina Piller ITA CCS Olympics 2014 2014 Sochi – 10km (31) Skiathlon (16) 30km (25) 4 x 5km relay (8) Retroactively stripped of all her results from 2013 to 2015 for irregularities on her Athlete Biological Passport
Jürgen Pinter 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.
Zhanna Pintusevych-Blok UKR ATH Olympics 1996—2004 2004 Athens – 100m (6 h2 r3/4) – Retroactively stripped of all her results from 2002 to 2013 for a multitude of violations
Bogdan Pishchalnikov RUS ATH Olympics 2008—2012 2012 London - Discus Throw (15 r1/2); Disqualified by RUSADA in March 2023 for ADRV. All results from 15 July 2012 to 20 March 2023 voided.
Darya Pishchalnikova RUS ATH Olympics 2012 2012 London – Discus (2) – Results voided from May 2012 as a result of a doping violation prior to the Games – Oxandrolone
Daniel Plaza ESP ATH Olympics 1988—1996 1996 Atlanta - 20K Walk (11); Positive ADRV on original testing at the 1996 Atlanta Olympics.
Svetlana Podobedova KAZ WLF Olympics 2012 2012 London – 75kg (1) – Stanozolol (retest)
Aleksandr Pogorelov RUS ATH Olympics 2004—2008 2008 Beijing – Decathlon (4) – Turinabol (retest)
Aleksey Poltoranin KAZ CCS Olympics / Other 2006—2018 2018 PyeongChang – Sprint (17) 50 km (15) 4 x 10 km (8) Team Sprint (15) – - Involved in a scheme using a prohibited method (blood doping) prior to the Games
Igor Polyansky ROC
RUS		 TRI Olympics 2016—2020 2020 Tokyo - Men (43) Mixed Relay (14) - EPO - Prior to the Games
Svetlana Pospelova RUS ATH Olympics 2000 2000 Sydney – 400 metres (4 h8 r1 / 4). Stanozolol (anabolic steroid). Tested positive in out-of-competition test after the Games.
František Pospíšil CZE
TCH		 IHO Olympics 1968—1976 1976 Innsbruck – Ice Hockey (2). Codeine (narcotic pain medication). The team doctor, Treffny, was disqualified from serving in that capacity for life.
Olga Potylitsyna RUS SKN Olympics 2014 2014 Sochi – Women (5) – Involved in scheme involving switched samples
Olesia Povkh UKR ATH Olympics 2012—2016 2016 Rio de Janeiro – 100m (8 h1 r3/4) 4 x 100m relay (6) Retroactively stripped of all her results since June 15 2016 due to a positive test for excessive testosterone
Iva Prandzheva BUL ATH Olympics 1996 1996 Atlanta – Long Jump / Triple Jump (LJ (4) / TJ (7)). Methadienone (anabolic steroid).
Iva Prandzheva BUL ATH Olympics 1996 2000 Sydney – Out-of-competition positive. Long Jump / Triple Jump (DNS). Nandrolone (anabolic steroid).
Pürevjavyn Batsükh MGL CCS Olympics 1984 1984 Sarajevo – 15 km. / 30 km. / 4x10 relay (15K (69) / 30K (65) / Relay (15)). Methandienone (anabolic steroid).
Aleksey Pushkaryov RUS BOB Olympics 2014 2014 Sochi – Four-man (4) – Involved in scheme involving switched samples
Olga Pylyova-Medvedtseva RUS BTH Olympics 2002—2010 2006 Torino – 15 km. (2). Carphedon (stimulant).
Jorge Quesada ESP MPN Olympics 1984—1988 1988 Seoul – Individual / Team (Ind (24) / Team (9)). Propranolol (ß-antagonist/blocker).
Ineta Radēviča LAT ATH Olympics / Other 2004—2012 2012 London – LJ (4) Oxandrolone (retest)
Andreea Răducan ROU GAR Olympics 2000 2000 Sydney – Individual All-Around (1). Pseudoephedrine (stimulant).
Nidzhat Rakhimov AZE
KAZ		 WLF Olympics / YOG 2010—2016 2016 Rio - 77kg (1) - urine substitution
Kléber Ramos BRA CRD Olympics 2016 2016 Rio de Janeiro – Road race (DNF) – CERA
Rashid Ramzi BRN ATH Olympics 2004—2008 2008 Beijing – 1500 m (1). CERA re-test + on A/B samples.
Kikkan Randall USA CCS Olympics / Administrator 2002—2021 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete.
Martinka Ratej SLO ATH Olympics 2008—2016 2012 London – Javelin (18) – Clostebol (retest)
Rita Razmaitė LTU CTR Olympics 1992—1996 1996 Atlanta – Match Sprint (13). Bromantan (Clenbuterol) (ß-agonist). A reprimand was given but the placement was allowed to stand
Ihor Razoronov UKR WLF Olympics 1996—2008 2008 Beijing – Heavyweight (105 kg) (6). Nandrolone (anabolic steroid).
Ross Rebagliati CAN SBD Olympics 1998 1998 Nagano – Giant Slalom (1). Marijuana. Rebagliati was disqualified two days after winning this event, when his drug test turned up positive for marijuana use. He was reinstated as the gold medalist on 12 February after a ruling by the Court of Arbitration for Sport.
Davide Rebellin ITA CRD Olympics 1992—2008 2008 Beijing – Road race (2). CERA.
Meliz Redif TUR ATH Olympics 2012 2012 London – 4x400 (h2-8th r1/2) – Retroactively stripped of all her results from 2009 to 2013 for irregularities on her Athlete Biological Passport
Andris Reinholds LAT ROW Olympics 1996—2000 2000 Sydney – Single Sculls (8). Norandrosterone (anabolic steroid).
Vitali Rəhimov AZE WRE Olympics 2004—2008 2008 Beijing – 60kg GR (2) – Turinabol (retest)
Harald Riedl AUT EVE Olympics 2004 2004 Athínai – 3-day event (Ind (73) / Team (13)). Substance not released. Disqualified because his horse, Foxy XX, was found to have a doping positive.
Estela Rodríguez CUB JUD Olympics 1992—1996 1996 Atlanta – Unlimited Class (1). Furosemide (Lasix) (diuretic, masking agent). A reprimand was given but the medal was allowed to stand.
Yana Romanova RUS BTH Olympics 2010—2014 2014 Sochi - Sprint (19) / Pursuit (23) / 15 km (53) / Relay (Silver); Disqualified on 27 November 2017 based on findings by the Oswald Commission. After appeal, decision upheld by CAS on 1 February 2018, but eventually cleared by CAS September 2020.
Danuta Rosani POL ATH Olympics 1976 1976 Montréal – Discus Throw (14QR / DNQ). Anabolic steroid.
Duane Ross USA ATH Olympics 2004 2004 Athínai – 110 m hurdles (semis). Disqualified because of systematic doping abuse and PED trafficking revealed for years 2001-03. Official DQ occurred in 2011.
Wolfgang Rottmann AUT BTH Olympics 1998—2006 2006 Torino – Sprint / Pursuit (Sprint (27) / Pursuit (21)). IOC Disciplinary investigation. Found to have been involved in an elaborate blood doping scheme.
Aleksandr Rumyantsev ROC
RUS		 SSK Olympics 2010—2022 2014 Sochi –5000m (11), Team pursuit (6) – Involved in scheme involving switched samples
Andrei Rybakou BLR WLF Olympics 2004—2012 2008 Beijing – 85kg (2) – Stanozolol and Turinabol (retest)
Evi Sachenbacher-Stehle GER BTH/CCS Olympics 2002—2014 2006 Torino – Out-of-competition positive. Non-competitor (DNS). Excessive hematocrit level. Suspended for five days – did not compete.
Evi Sachenbacher-Stehle GER BTH/CCS Olympics 2002—2014 2014 Sochi – 12.5km (4), mixed relay (4) – Methalhexamine
Kei Saito JPN STK YOG / Non-starter 2012—2018 2018 PyeongChang – 5000 m relay (DNS) – Acetazolamide
Pınar Saka TUR ATH Olympics 2012 2012 London – 400 (h4-4th r1/3) 4x400 (h2-8th r1/2) – Retroactively stripped of all her results from 2010 to 2013 for irregularities on her Athlete Biological Passport
Leonidas Sampanis GRE WLF Olympics 1996—2004 2004 Athínai – 62 kg. Class (3). Testosterone (anabolic steroid).
Mariya Savinova RUS ATH Olympics 2012 2012 London – 800m (1) – Retroactively stripped of all her results from 2010 to 2013 for irregularities on her Athlete Biological Passport
Dzina Sazanavets BLR WLF Olympics 2012 2012 London – 69kg (4) – Drostanolone and Stanozolol (retest)
Alois Schloder FRG IHO Olympics 1968—1976 1972 Sapporo – Ice Hockey (7). Ephedrine (stimulant). The team doctor, Franz Schlickenrieder, was disqualified from serving in that capacity for life.
Stefan Schumacher GER CRD Olympics 2008 2008 Beijing – Ind TT / Road race (ITT (13) / RR (---)). CERA.
Alex Schwazer ITA ATH Olympics 2008 2012 London – Out-of-competition positive. Pre-games testing (DNS). Erythropoietin (EPO).
Serhiy Sednev UKR BTH Olympics 2010—2014 2014 Sochi – 10km (44), 12.5km (54) – EPO
Vladimir Sedov KAZ WLF Olympics 2008 2008 Beijing – 85kg (4) – Stanozolol (retest)
Andriy Semenov UKR ATH Olympics 2008—2012 2012 London – shot put (AC) – lost all results from 22 August 2011 to 21 August 2013 after testing positive for turinabol in retest of sample from 2011 World Championships.
Nadezhda Sergeyeva ROC
RUS		 BOB Olympics 2014—2022 2018 PyeongChang – Two-woman (12) – Trimetazidine
Adam Seroczyński POL CSP Olympics 2000—2008 2008 Beijing – K2-1000 (4). Clenbuterol (ß-agonist).
Bünyamin Sezer TUR WLF Olympics 2012 2012 London - 69kg (18) - Stanozolol (retest of sample taken at 2012 European Championships)
Marina Shainova RUS WLF Olympics 2008 2008 Beijing – 58kg (2) – Stanozolol (retest)
Klodiana Shala ALB ATH Olympics / Other 2000—2008 2012 London - 400m (DNS) - Stanozolol (retest)
Yevgeniya Shapovalova RUS CCS Olympics 2010—2014 2014 Sochi – Sprint (28) – Involved in scheme involving switched samples
Mohammed Shaween KSA ATH Olympics 2008—2012 2012 London – 1500m (r1-7th) – Retroactively stripped of all his results from 2011 to 2013 for irregularities on his Athlete Biological Passport
Olga Shchukina UZB ATH Olympics 2004 2004 Athínai – Shot Put (18 QR Group A / DNQ). Clenbuterol (ß-agonist). Did not compete.
Nataliya Shekhodanova RUS ATH Olympics 1996—2000 1996 Atlanta – 100 metre Hurdles (7). Stanozolol (anabolic steroid).
Nirmala Sheoran IND ATH Olympics 2016 2016 Rio de Janeiro - 400 (5h1r1/2) / 4x400 (7h2r1/2); Positive re-test for a biological passport offense. Loses all 2016 results, 4 years of eligibility from December 2019 to 28 June 2022.
Anzhelika Shevchenko UKR ATH Olympics 2012 2012 London – 1500m (h1 13th r1/3) – Retroactively stripped of all her results from 2011 to 2013 for irregularities on her Athlete Biological Passport
Anna Shibanova ROC
RUS		 IHO Olympics 2014—2022 2014 Sochi – Women (6) – Involved in scheme involving switched samples
Eiji Shimomura JPN VVO Olympics 1984 1984 Los Angeles – Volleyball (7). Testosterone (anabolic steroid).
Maryna Shkermankova BLR WLF Olympics 2012 2012 London – 69kg (3) – Turinabol and Stanozolol (retest)
Svetlana Shkolina RUS ATH Olympics 2008—2012 2012 London – HJ (3) – Retroactively stripped of all her results from 2012 to 2015 after being found guilty of participating in doping programmes in 2012 and 2013
Svitlana Shmidt UKR ATH Olympics 2012 2012 London – 3000m SC (h3-12th r1/2) – Retroactively stripped of all her results from March 2012 to 2015 for irregularities on her Athlete Biological Passport
Liliya Shobukhova RUS ATH Olympics 2004—2012 2012 London – Marathon (DNF) – Retroactively stripped of all her results from 2009 to 2015 for irregularities on her Athlete Biological Passport
Olena Shumkina UKR ATH Olympics 2012 2012 London – 20k walk (50) Retroactively stripped of all her results from 2011 to 2017 for irregularities on her Athlete Biological Passport
Maksim Sidorov RUS ATH Olympics 2012 2012 London - Shot Put (11); Disqualified by RUSADA in March 2023 for ADRV for Oxandrolone. All results from 15 July 2012 to 3 July 2017 voided.