An unfortunate truth for cycling fans everywhere is that doping has had no small part to play in the history of the sport.
Still, even to the present day, positive tests are not uncommon.
Lance Armstrong, who had won seven consecutive Tour de France titles until he was found guilty of using PEDs in a 2012 report, is potentially the most notorious drug cheat in cycling, if not sporting history.
But while cycling's uneasy relationship with doping continues, scientific gains have been made amongst the agencies trying to catch those who cheat, with the introduction of the Athlete Biological Passport (ABP) at the beginning of the 2008 race season by the UCI.
The World Anti-Doping Agency (WADA) is the ruling authority on anti-doping for more than 600 sports organisations around the world, including cycling's international body, the UCI.
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French cyclist given 10-month suspended prison sentence for doping
Marion Sicot said doping formed "an integral part" of cycling
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French cyclist faces suspended prison sentence and €5,000 fine in doping trial
Marion Sicot, who admitted to taking EPO in 2019, is currently on trial in France
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Irish Continental level professional cyclist suspended after EPO positive
Jesse Ewart, who rode for Terengganu Cycling, has been banned until 2027
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Steroids found in pro cyclist’s anti-doping test sample
Antwan Tolhoek has been provisionally suspended by the UCI while proceedings are ongoing
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Jonas Vingegaard reveals he missed an anti-doping test
'It's not great to have a missed test hanging over you,' says Tour de France champion
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Jumbo-Visma rider Michel Hessmann suspended after positive anti-doping test
The 22-year-old's out-of-competition sample detected the presence of diuretics
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Former British Cycling doctor Richard Freeman given four-year doping ban
Freeman chose not to defend himself before the anti-doping panel
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'We are not cheaters' says Belgian rider Shari Bossuyt after anti-doping positive
The Canyon-SRAM rider tested positive for Letrozole in an anti-doping control in March
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Convicted EPO doper Jarlinson Pantano returns to cycling with Colombian EPM team
Former Trek-Segafredo and IAM Cycling rider rejoins peloton after his four-year band expires
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"Failing that drug test was the best thing that had ever happened to me"
Abuse victim and disgraced cycling champion Geneviève Jeanson finds solace in return to bike racing
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29 cases of alleged doping recorded in cycling in 2022, but only one at WorldTour
Most came from semi-professional ranks, MPCC finds
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Spanish police crack down on doping ring, former Kelme coach questioned
Miguel Ángel López denies any involvement in statement
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American cyclist Jackson ’Huntley’ Nash handed lifetime ban after doping violations
USADA hand down penalty after multiple offences discovered by investigation
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UCI suspends continental team's licence due to doping investigation
W52-FC Porto cannot compete in any races after an investigation conducted by the Anti-Doping Authority of Portugal
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Guillaume Martin: The big question is this grey area of ketones
The Frenchman says he is in favour of banning ketones for reasons of fairness
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Trial begins into French doctor and two others accused of attempting to dope cyclists
Bernand Sainz has been involved in cycling circles for the best part of six decades
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Julian Alaphilippe doesn't share Arnaud Démare's concerns over performance products used in the peloton
The Frenchman also says he 'won't be shouting from the rooftops' when he eventually decides to compete for the Tour de France yellow jersey
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Johan Bruyneel: 'Lance Armstrong was the perfect target to be sacrificed' to clean up cycling
The former rider and team boss says in his era the choice was 'either you adapt and you dope yourself, or you disappear'
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British Paralympic hopeful cyclist banned for three years for doping offence
Erin McBride, who joined the British Cycling team after switching from athletics this year, tested positive for a banned substance
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Two Italian cyclists banned following doping violations
One was an amateur time trial champion
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US amateur rider handed four-year doping ban after winning cat three race
The 49-year-old was tested after his win in the Arizona State Championships this summer
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German former rider receives nine year doping ban and stripped of 11 years worth of results
Björn Thurau retired from racing at the end of 2019
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David Lappartient: Riders are sharing rumours of new doping techniques, they feel there is a gap
"Man is limitless in the imagination to cheat," the UCI President said
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UK Anti-Doping's case against Richard Freeman paused after doping doctor appeals tribunal verdict
UKAD will resume proceedings against Richard Freeman after his High Court appeal
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Doping ban for former Trek-Segafredo rider upheld after his appeal fails
The Court of Arbitration for Sport upheld the four-year ban for the 36-year-old
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Georg Preidler says he became involved in blood doping ‘out of pure curiosity’
Georg Preidler has told a court he became involved in blood doping “out of pure curiosity.”
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Alejandro Valverde could be handed Vuelta a España stage victory after Juan José Cobo found guilty of doping
Alejandro Valverde’s winning record could be extended after the Juan José Cobo was caught doping.
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Jarlinson Pantano breaks silence over EPO positive
The Colombian spoke for the first time since his positive test was confirmed by the UCI last week
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Former road cyclist Christina Kollmann-Forstner suspended by UCI over links to blood doping ring
Former road cyclist and mountain bike rider Christina Kollmann-Forstner has been suspended by the UCI over suspected links with the Operation Aderlass blood doping scandal.
