Nancy Yareli Contreras Reyes (born January 20, 1978, in Ciudad de México, Distrito Federal) is a female track cyclist from

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

, who represented her native country twice at the

Summer Olympics The Summer Olympic Games, also known as the Summer Olympics or the Games of the Olympiad, is a major international multi-sport event normally held once every four years. The inaugural Games took place in 1896 in Athens, then part of the King ...

: 1996 and 2004. She won a bronze medal in the 1995 Pan American Games in

Mar del Plata, Argentina Mar del Plata is a city on the coast of the Argentine Sea, Atlantic Ocean, in Buenos Aires Province, Argentina. It is the seat of General Pueyrredón Partido, General Pueyrredón district. Mar del Plata is the second largest city in Buenos Aires ...

. Contreras won the 500m time trial gold during the 1998 Central American and Caribbean Games, but failed the doping control with

Pseudoephedrine Pseudoephedrine, sold under the brand name Sudafed among others, is a sympathomimetic medication which is used as a decongestant to treat nasal congestion. It has also been used off-label for certain other indications, like treatment of lo ...

and her medal was removed.

Major results

;1995 : UCI Juniors Track World Championships ::2nd Individual pursuit ;1999 : Track Cycling World Cup Classics ::2nd 500m time trial, Round 1, Mexico City ::3rd 500m time trial, Round 3, Valencia ::3rd 500m time trial, final individual ranking :

Pan American Games The Pan American Games, known as the Pan Am Games, is a continental multi-sport event in the Americas. It features thousands of athletes participating in competitions to win different summer sports. It is held among athletes from nations of th ...

::2nd 500m time trial ;2000 : Track Cycling World Cup Classics ::1st, 500m time trial, Round 3, Mexico City ;2001 :

UCI Track Cycling World Championships The UCI Track Cycling World Championships are the set of world championship events for the various disciplines and distances in track cycling. They are regulated by the Union Cycliste Internationale. Before 1900, they were administered by the UCI ...

::1st 500m time trial : Track Cycling World Cup Classics ::1st Sprint, Round 4, Mexico City ::1st 500m time trial, Round 4, Mexico City ::2nd 500m time trial, Round 1, Cali ;2002 :

::2nd 500m time trial : Track Cycling World Cup Classics ::2nd 500m time trial, Round 1, Monterrey ::3rd 500m time trial, Round 2, Sydney ;2003 :

::2nd 500m time trial ::3rd Sprint : Track Cycling World Cup Classics ::2nd 500m time trial, Round 2, Aguascalientes ::3rd Sprint, Round 2, Aguascalientes ::1st 500m time trial, Round 3, Cape Town ::1st 500m time trial, Round 4, Sydney ::1st Sprint, Round 4, Sydney ::1st 500m time trial, final individual ranking :

::1st 500m time trial ;2005 : Pan American Championships ::2nd 500m time trial ;2007 : Pan American Road and Track Championships ::3rd Keirin ;2011 : Pan American Road and Track Championships ::3rd Team Sprint (with Luz Daniela Gaxiola Gonzalez) ;2012 :Mexican National Track Championships ::1st Scratch race ::2nd 500m time trial ::2nd Keirin ::3rd Team pursuit (with Belem Guerrero and Carolina Rodríguez)

References