Prawat competed in the 2004 Summer Paralympics at various distances, the 800m, 1500m, 5000m and 10000m where he won a silver medal but it was as part of the successful Thai relay teams that he won his 2 gold medals in the 4x100m and 4x400m relays.
Competing in wheelchair athletics, Wahoram has represented Thailand at the Paralympic Games on three occasions. He won his first medals, two gold, at the 2000 Summer Paralympics in Sydney, winning the 5000 m and 10000 m races in the T54 category. At the 2004 Games, he won an individual silver in the 10000 m race, as well as two gold medals in team events. At the 2008 Summer Paralympics, he won a gold (in the 5000 m), three silver and a bronze.