[1] He won the 110 m hurdles at the European Junior Championship in 1985, ahead of his fellow British athlete Colin Jackson, who finished runner-up.
[5] Ridgeon won the 110 m hurdles gold medal at the 1987 Universiade (World University Games) in Zagreb.
When Ridgeon returned to regular competition, he switched to the 400 metres hurdles, before his retiring from the sport.
As well as working with Fast Track, Ridgeon has also been a TV commentator for the BBC and BSkyB since retiring as an athlete.
In 2018, Ridgeon was appointed chief executive officer of the International Association of Athletics Federations (IAAF).