Marathon runners should go for non-alcoholic beer

Apparently that's the conclusion of this study from the University of Munich. It's better for your health if you drink the wheat based alcohol free stuff. I'm just not sure whether that counts as good news or not?

(HT: Freakonomics)

Could a marathon ever be run in under two hours?

If it can it certainly won't be done by me. Under 4 hours is my goal! Anyway the BBC attempts an answer