Harry TincknellIMSA Road America Winner Harry Tincknell is leading the Team Joest Mazda Prototypes on a massive comeback in sports car racing. The Mazdas have won three races in a row and Tincknell and his co-driver Jonathan Bomarito have two of those three. Tincknell led today’s victory with a triple-stint time in the car that he described as a fourth or fifth place machine. Listen…