Prove It 5K and 10K @ GM Milford Proving Ground, Milford, Michigan, United States on 08 September 2019

Prove It 5K and 10K! You heard right! Not only will there be our usual 5K this year, but we are also adding a 10K

Think you’ve got the fastest 5k or 10K around? Put your money where your mouth is and come race on the test track at the World Famous GM Milford Proving […]