GB stars come in from the cold

Two of Great Britain's best medal prospects for this weekend's in Turin are Simeon Williamson and Mo Farah and both have spent much of the winter away from the cold and snow, in warmer climates.
It begs the question: Are most British athletes starting behind their counterparts just because they live here in the UK?

I'm Katharine Merry, former world 400m number one and an Olympic bronze medallist at Sydney 2000. I'm now a mentor to junior athletes as well as working in radio and TV, and as a trackside presenter at major events. I'll be aiming to give you a behind-the-scenes insight to the world of athletics.