You've already run the great marathons in Berlin, London or New York, tried Paris, Amsterdam or Hololulu? Have a look at Omsk, Western Siberia.
This was the generic response over the past year when I've told people about my plans to run in this Sunday's Siberian International Marathon.
Temperatures in Omsk hit a roasting 37C this weekend and could be as high as Cairo when the starting gun is fired.