Think you've got the fastest 5k around? Put your money where your mouth is and come race on the Performance Test Track at the World Famous GM Milford Proving Ground! We will be running on the beautiful and technical Milford Road Course (we don't think anyone will be breaking the course record as cars fly on this course at speeds well over 100 MPH! Prove that you are as fast as you say you are with our one-of-a-kind age and gender graded running race on this historic automobile test track. This event is open to the first 1000 registrants, so don't delay, be one of the first people to run on this one of a kind track!