Before bodybuilding, Paul Dillett played in the Canadian Football League. Dillett first competed in professional bodybuilding when he took second place in the heavyweight division of the 1991 North American Championships. His first Mr. Olympia was in 1993, where he placed 6th. In 1993, he competed in his first Ironman Pro Invitational, where he took fourth place.
Later that year, he competed in his first Arnold Classic, placing fourth. In 1999, he competed in the Night of Champions competition, where he placed first. Paul has been featured in many fitness and bodybuilding articles, including being featured on the cover of Muscular Development magazine.
At Mr.Olympia in 1998, Dillett "froze" on stage, a result of cramping from dehydration. Four officials carried him off the stage.