One of the main techniques I used was focusing on the goal and visualising myself competing in the race before the race started.

Life is often compared to a marathon, but I think it is more like being a sprinter; long stretches of hard work punctuated by brief moments in which we are given the opportunity to perform at our best.

On the £20,000 Mercedes prizes for each winner at the World Athletics Championships in Stuttgart- Anyone good enough to win already has one.

A good mentor offers directions and driving tips from the back seat. You still have to drive the car.

Difficult as it was to hear, slavery has benefited descendants like me - I believe there is a superior athletic gene in us.

You owe it to yourself to find your own unorthodox way of succeeding, or sometimes, just surviving.

The mind is absolutely instrumental in achieving results, even for athletes. Sports psychology is a very small part, but it's extremely important when you're winning and losing races by hundredths and even thousandths of a second.