[citation needed] In 2002 Prout won first place in all swimming competitions at National Disability Championships, held at Federal Way, Washington.
In 2005 he won a gold medal for 400m freestyle, which was held at U.S. Paralympics Open Swimming Championships in Minneapolis, Minnesota.
[2] In 2006 he got fourth place three times in a row at the 2006 IPC Swimming World Championships, but next year, won eight medals at Parapan American Games.
The same year he won a bronze medal for 400 m medley relay at Parapan American Games, at Rio de Janeiro, Brazil.
In 2008 he led an American record for 200 metre freestyle at Can-Am Championships which was held at Victoria, British Columbia.