William Collazo Gutiérrez (born 31 August 1986 in Antilla, Holguín) is a Cuban sprinter who specializes in the 400 metres. Career He won a bronze medal in the 4 x 400 metres relay at the 2005 Central American and Caribbean Championships. He also competed at the 2007 World Championships, the 2008 Olympic Games and the 2009 World Championships, but without reaching the final round. His personal best time is 44.93 seconds, achieved at the World Championships in August 2009 in Berlin. He also has 21.27 seconds in the 200 metres, achieved in March 2004 in Havana. Personal best 200 m: 21.04 s (wind: +0.7 m/s) – La Habana, 23 May 2010 400 m: 44.93 s – Berlin, 19 August 2009 400 m (indoor): 46.31 s – Doha, 13 March 2010 International competitions 1: Did not finish in the final. References External links William Collazo at EcuRed 1986 births Living people Cuban male sprinters Athletes (track and field) at the 2008 Summer Olympics Athletes (track and field) at the 2012 Summer Olympics Athletes (track and field) at the 2016 Summer Olympics Athletes (track and field) at the 2007 Pan American Games Athletes (track and field) at the 2011 Pan American Games Athletes (track and field) at the 2015 Pan American Games Pan American Games gold medalists for Cuba Pan American Games silver medalists for Cuba Olympic athletes of Cuba World Athletics Championships athletes for Cuba Pan American Games medalists in athletics (track and field) Central American and Caribbean Games gold medalists for Cuba Competitors at the 2006 Central American and Caribbean Games Competitors at the 2014 Central American and Caribbean Games World Athletics Indoor Championships medalists Central American and Caribbean Games medalists in athletics Medalists at the 2011 Pan American Games Medalists at the 2015 Pan American Games People from Holguín Province 21st-century Cuban people