Prove It 5k & 10k
April 18, 2026 on the GM Milford Proving Ground Test Track!
Run or Walk the GM Milford Proving Ground
Prove It 5K & 10K on April 18, 2026!
Think you’ve got what it takes to conquer one of Michigan’s most exclusive race courses? Step onto GM’s world-famous automobile test track and experience a race that’s as challenging as it is unforgettable. With tree-lined roads, smooth banked curves, and rolling elevation—this isn’t just another 5K or 10K.
Choose your distance:
5K – One lap with 225′ of gain
10K – Two laps, 450′ of gain, USATF-certified
Double Event – Tackle both for the ultimate challenge!
This is your only chance each year to run or walk the legendary GM Proving Ground, thanks to our partnership with GM. Prove It 5K & 10K sells out every year, so don’t wait—secure your spot today and be part of Michigan’s car culture history.
What's Included in Registration?
- Custom race shirt
- Prove It finisher's medal
- Race day photos
- Post-race food and drinks
- Unique awards
- And more!
There's also an option to skip the race swag & save by registering for the Economy Package!
2027 designs coming closer to race day.
Why Runners Come Back
"Unique location. Challenging route." - Roger B., 2026
"Course was fun and it was well run. Great communication about the weather the day before and day of. Very clear instructions for parking and where to go." - Matt K., 2026
"The energy, the uniqueness, and great pictures." - Jeane S., 2025
“Every one of your races have unique perks and fun things.... I can tell there’s extra effort to make it fun.” - Kyle M., 2025
