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.
Temperatures in Omsk hit a roasting 37C this weekend and could be as high as Cairo when the starting gun is fired.
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.
Boris Fyodorov, 37, complains it was 'too warm', and now wants to try in minus 60C.
Organisers will soon take entries for the 2012 race - officially known as the 'Crawlers' Competition'.
Pensioner from the UK says medical staff among best in the world after he fell suddenly ill on dream trip across Russia with his wife.
The man who fell out of a train in below minus 40C and ran seven kilometres in the blistering cold says he didn't bother to tell his wife of his amazing ordeal.
Snow fox from Krasnoyarsk becomes a star on social networks with her artwork.