In reply to TMM:
> I have used Hoka Challenger ATR shoes. They were a little sloppy on my feet and the upper always split on the forefoot before 400km.
This used to happen to me with earlier versions, but my ATR 5 and ATR 6 pairs have both managed c725km each, with no signs of the upper splitting.
I love the Challengers as lots of trails near my house require tarmac bashing to get to them, and they're as comfy as road shoes on anything firm. The only problem I have with them is when it's really muddy.
The Hoka Speedgoats seemed to be the answer (more grip, bouncy and comfortable still on firmer stuff) and I love them but I get a blister on one of my heels after about 10 miles! Argh!
It's a bit of a nightmare trying new shoes as you've pretty much rendered them unreturnable once you've tested them out enough to be sure!