Nancy Yareli Contreras Reyes (born January 20, 1978, in Ciudad de México, Distrito Federal) is a female track cyclist from Mexico, who represented her native country twice at the Summer Olympics: 1996 and 2004. She won a bronze medal in the 1995 Pan American Games in Mar del Plata, Argentina.
Contreras won the 500m time trial gold during the 1998 Central American and Caribbean Games, but failed the doping control with Pseudoephedrine 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 2nd 500m time trial 2000 Track Cycling World Cup Classics 1st, 500m time trial, Round 3, Mexico City 2001 UCI Track Cycling World Championships 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 UCI Track Cycling World Championships 2nd 500m time trial Track Cycling World Cup Classics 2nd 500m time trial, Round 1, Monterrey 3rd 500m time trial, Round 2, Sydney 2003 UCI Track Cycling World Championships 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 Pan American Games 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 sports-reference