I purchased this shoe specifically for racing in shorter road running events (5km to Half Marathon).  I had previously run in Saucony Fastwitch shoes.  I did two short training runs to test the shoe before a recent half marathon.  At about 16Km (10 miles) into the race the rubber on the heel started to peel away from the base of the shoe, and flap about for the last part of the run.  The shoes at that point had about 32km on them.  The run was less than stellar with the shoe causing problems with foot placement and gait.<br />I returned the shoes to the store for a store credit that I am putting toward a new pair of Saucony's