Trevor Campbell had the following podium finishes at major championships: 2nd in the 1971 Pan American Games 4×400 metres relay (with Leighton Priestley, Alfred Daley, and the non-Olympian Garth Case). At the 1975 Pan American Games Campbell finished seventh in the 400 metres.
Personal Best: 400 – 46.3 (1974).
|1972 Summer||18||München||Athletics||Men's 4 × 400 metres Relay||Jamaica||JAM||4 h3 r1/2|
|1972 Summer||18||München||Athletics||Jamaica||JAM||Round One||Heat Three||4||3:03.83|