Matt Centrowitz on the upswing after new PB 3:31.96 at 2012 Lausanne Diamond League

Matt Centrowitz on the upswing after new PB 3:31.96 at 2012 Lausanne Diamond League

Matt Centrowitz sets a new personal best of 3:31.96 and feels like he has more left in the tank for the season. He'll next race at the Birmingham and Brussels Diamond League meets.