Colin retired in March 2003 at the World Indoor Championships in Birmingham, England.
Colin holds the world record for one hundred and ten metre hurdles outdoor.
Colin holds the world record for sixty metre hurdles indoor.
In 2003, Colin was awarded a CBE for services to athletics.
In 1989, Colin was awarded an MBE for services to athletics.
Colin won gold medals in the 1993 and 1999 World Championships.
Colin won a silver medal in the 1988 Seoul Olympics.
Colin came second in the third series of Strictly Come Dancing with his partner Erin Boag.
Colin is five foot eleven inches tall.
Colin: I'm not scared of a challenge and I also see Strictly Come Dancing as an oppertunity to learn a new skill.
Colin (on the semi-finals of Strictly Come Dancing): For me it was horrific - Erin's been there before - but for me it was the most nervous, tense semi-final - and I've had a few semi-finals in my life!
Colin (on the Strictly Come Dancing trophy): I'd love my name on there, actually. I haven't had my name on a cup for a couple of years.
Claudia: What's your feeling for this week?
Colin: I know my steps.
Colin (on appearing on Strictly Come Dancing): There's only one goal in the competition, and that's to win the final.