If your obsession for running is as strong as your obsession for Dunkin coffee, then you will be thrilled as worlds collide! In preparation for the Boston Marathon Monday, April 16th, Saucony is rolling out the Saucony X Dunkin Kinvara 9.  This serious running shoe is decked out with full-on Dunkin Donuts logos, a strawberry frosted donut, sprinkles and their signature colors too. Here are details about the Boston Marathon and weekend events. The Boston Marathon Expo on april 13th is your only chance to get these kicks as they've already sold out online.