American Carl Grove, 90 years old, lost his age-group title and world record from the Masters Track Championships after failing an anti-doping test.
Grove's tested positive for epitrenbolone, which is a metabolite of the prohibited steroid trenbolone, in a urine sample taken after the individual pursuit on July 11. He had competed in the 90-94 age group on his own in Breinigsville, Pennsylvania. He won the title and with three minutes, 6.129 seconds, set the world record for his age group.
The US Anti-Doping Agency (USADA) said: "The source of his positive test was more likely than not caused by contaminated meat consumed the evening before competing."
The Bristol, Indiana, resident had not mentioned he had ate beef when he gave information to the agency to clear his name.
However, in the investigation, it was determined Grove had taken another banned substance, clomiphene, which is used to treat infertility in women.
Grove had handed over a list and details of the supplements that he used to USADA. A World Anti-Doping Agency (WADA) laboratory in Salt Lake City, Utah, examined them and revealed that they contained traces of clomiphene.
USADA said that Grove "accepted a public warning" and that he "has been disqualified from competitive results obtained on July 11, 2018, the date his sample was collected."
The agency revealed that the day before, Grove passed the anti-doping test.
It follows other incidents in amateur cycling.
Early in 2018, USADA banned two master cyclists David Less, 56, and Craig Webb, 57, for two and four years respectively after they refused to provide samples to doping control officers.
In 2016, 19-year-old British junior time trial champion, Gabriel Evans received a suspension for three years and six months after admitting to taking EPO.
Thank you for reading 10 articles this month* Join now for unlimited access
Enjoy your first month for just £1 / $1 / €1
*Read 5 free articles per month without a subscription
Join now for unlimited access
Try first month for just £1 / $1 / €1
Gregor Brown is an experienced cycling journalist, based in Florence, Italy. He has covered races all over the world for over a decade - following the Giro, Tour de France, and every major race since 2006. His love of cycling began with freestyle and BMX, before the 1998 Tour de France led him to a deep appreciation of the road racing season.
20 year-old sprints to clean sweep at British Track Champs
Emma Finucane wins two titles on the closing day of the championships
By Vern Pitt • Published
Marius Mayrhofer pulls off surprise win at Cadel Evans Great Ocean Road Race
DSM rider breaks down with emotion after he crosses the finish line
By Stephen Puddicombe • Published