Why should I say I will retire in three or four years? You retire the very moment you utter those words.

I remember in particular my first victory when I achieved a very fast time in what were perfect conditions but since then the wind has always been a factor against me.

My father didn't think running was sensible. He told me running is just wasting time.

I wanted to be famous. I wanted people to talk about me.

That is not enough. Sport has been great for me, a great learning place that if you want to achieve you can, even if you are from the poorest part of Africa.

Why should I say I will retire in three or four years? You retire the very moment you utter those words.

My school was six miles away from where I lived on the farm. I had to walk and run, there and back every day, through gorges and over rivers. If I was late, there was a very big stick waiting for me.