Tyler Butterfield appears to have put his injury troubles behind him as he prepares to compete at his first Olympics since Athens in 2004.Butterfield, 29, has enjoyed an impressive season and claimed his maiden victory as a professional at the ITU La Paz PATCO Pan American Championships in Argentina.The former pro cyclist, who was the 45th Elite Men's triathlete to qualify for London 2012, has proved on numerous occasions that he is capable of competing with the very best on his day.His top performance in a Bermuda jersey to date came at the 2010 CAC Games in Puerto Rico where he claimed a bronze medal.