Colombian cyclist Fabián Puerta tests positive for steroid Boldenona

The keirin world champion has been provisionally suspended

Fabian Puerta at the 2016 Olympics (Photo by Bryn Lennon/Getty Images)

Colombian Fabián Puerta, keirin world champion and Fernando Gaviria's brother-in-law, has tested positive for steroid Boldenona.

The Union Cycliste Internationale (UCI) listed Puerta as being provisionally suspended on Monday, in an update on its website.

He failed the tests on June 11, during the national track championships in Cali.

The anabolic steroid Boldenona brings an immediate suspension. Puerta is unable to compete until the governing body reviews the case.

At the world championships in Apeldoorn, The Netherlands, 27-year-old 'Chispas' beat Japan's Yuta Wakimoto to take the Keirin gold medal. He also competed in the 2012 London Olympic Games.

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Puerta is married to track cyclist Juliana Gaviria, the sister of Quick-Step's star sprinter Fernando Gaviria. Gaviria won two stages in the recent Tour de France.

In its list updated on Monday, the UCI also named cyclists whose cases were already published in the recent months including Movistar's Jaime Rosón. The Spaniard was suspended in June after returning biological passport anomaly.

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Gregor Brown
Gregor Brown

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.