The biggest danger is trying to put too much pressure on yourself, trying to get in too good shape.

If you look back at my marathons and ask whether I would swap one of them for my one balls-up, of course I would. But you can't choose. You have to make the best of it on the day.

In my Olympic history I don't think I have achieved my potential as an athlete. That's what I want when I look back at my career. I want to be able to say I gave it my best shot.

You can't magic yourself back 10 years.

At big championships it's not the fastest person, it's the person who gets it right on the day.

For an athlete, the biggest pressure comes from within. You know what you want to do and what you're capable of.

As an athlete, there are advantages being with a team and getting regular physio...