I've had a lot of success over the years racing in New York, but the main point is that I feel the marathon is a different event, a lot more my event.

I have achieved a lot and I'm grateful for that - I'm just a bit greedy because I want to add the Olympics. It's once every four years - everyone wants it and very few people get it.

Never set limits, go after your dreams, don't be afraid to push the boundaries. And laugh a lot - it's good for you!

It's totally different from last year because I came in with good shape with no health worries so it was about going out there and running well and enjoying it.

An Olympic medal won't define my whole life, although it might look like it to onlookers. When I look back, I should have been able to get an Olympic medal.

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...