At the 1996 Summer Olympics, he participated in the 4 x 400 metres relay. The relay team, consisting of Eswort Coombs, Dickson, Eversley Linley, and Erasto Sampson, set a national record there with 3:06.52 minutes. Dickson's personal best time in the 400 metres is 46.94 seconds, achieved in 1998.