His first international successes were with the British 4×400 metres relay team, winning a silver medal at the 1984 Summer Olympics, golds at the 1986 Commonwealth Games and 1986 European Athletics Championships, and another silver at the 1987 World Championships in Athletics. He progressed individually in 400 metres hurdles from the late 1980s onwards, taking bronze at the 1989 IAAF World Cup. His time of 47.93 seconds to win the 1990 European Athletics Championships was a British record, and he also won gold at the 1990 Commonwealth Games.