Quote Originally Posted by plodding bear View Post
How DARE you blame the mighty Mizuno Harrier???
I'm not really blaming them, just it happens when I wear them (although I do wear them for longer runs so this may be coincidental) and there is a dip in the midsole at about the same point.

Quote Originally Posted by plodding bear View Post
...apparently upping the mileage or overuse can bring it on incrementally, so it kind of creeps up on you. It doesn't have to be a single incident that causes it.
That would fit with me too, I've done a fair amount of mileage recently including three 22m training runs over the past 4 weeks.