Milford, MI | Saturday, April 18, 2026Registration Open
Prove It 5K & 10K – GM Milford Proving Ground April 18, 2026 – Milford, Michigan Looking for a Michigan spring 5K or 10K that’s unlike anything else? Prove It 5K & 10K gives you exclusive access to the GM Milford Proving Ground , one of the most iconic and secretive automotive testing facilities in the world. Normally closed to the public, this track opens just one day each year for runners and walkers to take on its twists, hills, and high-performance curves. This isn’t your typical local race. The 5K packs 225′ of elevation gain in one lap of the course. The 10K doubles the challenge with two laps and 450′ of gain. Both races are USATF-certified, making them perfect for testing your speed and endurance. Want more? Register for the Double Event to run both distances back-to-back for the ultimate test. Why Run Prove It? Race where few ever will – GM Milford Proving Ground is off-limits to the public Steeped in car culture – the same track where GM tests world-class vehicles Challenge yourself – 225′ of gain in the 5K, 450′ in the 10K USATF-certified – official distances, official results Double Event option – the ultimate test Part of the Trivium Mega Medal Series – 6 races, 1 giant connecting medal All paces welcome – run or walk the 5K, test your limits in the 10K, or do both Perfect spring timing – a one-of-a-kind way to kick off your 2026 racing season Trivium Michigan Mega Medal Series Prove It 5K & 10K is the first race in the 2026 Trivium Michigan Mega Medal Series . Each medal features the path of its race and connects to the others, forming one giant, six-piece medal by year’s end. Series registration also saves you money on entry fees. 2026 Mega Medal Series lineup: Prove It 5K & 10K – April 18, 2026 – Milford, MI Trenton Summerfest Half Marathon, 8K, & 5K – June 27, 2026 – Trenton, MI Dearborn Decades 5K – August 9, 2026 – Dearborn, MI Run the 313 5K – August 22, 2026 – Detroit, MI Growler Gallop Atwater 10 Mile & 5K – September 27
Available Distances
Awards & Prizes
Timing and Awards
Participant Giveaway
5K: Shirt
10K: Shirt
15K: Shirt
Registration & Pricing
Distance
Price
Opens
Closes
5K
$30.00
Sep 26
Jan 1
$35.00
Jan 2
Mar 5
$40.00
Mar 6
Apr 17
10K
$40.00
Sep 26
Jan 1
$45.00
Jan 2
Mar 5
$50.00
Mar 6
Apr 17
3.1 Miles
$25.00
Sep 26
Past Results
10K
Year
Finishers
Median Time
Fastest Time
2025
228
1:00:54
34:58
2024
345
1:01:18
37:23
2023
303
1:02:01
35:51
2022
110
1:00:00
33:21
2021
117
57:30
32:55
2020
49
56:22
37:12
2019
162
1:01:48
34:27
15K
Interested in this race?
Jan 1
$30.00
Jan 2
Apr 17
15K
$55.00
Sep 26
Jan 1
$60.00
Jan 2
Mar 5
$70.00
Mar 6
Apr 17
Event Schedule
Advanced Packet Pickup - Thursday, April 16, 2026 Fleet Feet Northville - 17783 Haggerty Road, Suite C, Northville, MI 48168. 5:00-7:00 pm. Race Day 7:00am - 8:20am and 8:40am -9:35am (5k only): Packet pickup at event location. 7:00-11:00 am: Gear check, staffed by Fleet Feet Southeast Michigan Ambassadors 8:20am: Pre-race meeting 8:30am: 10K Race Start 10:00am: 10K Course cut-off 10:10 am: 5K Race Start 11:00am: Awards 11:10am: 5K Course cut-off
What's Included With Registration
Event Location & Parking
Event Location: 3399 General Motors Rd GM Milford Proving Ground Milford, MI US 48380 Parking will be available in the lots near of Buildings 94 & 104 and is about a half mile walk from the race start/finish line. Please keep this in mind when planning travel. There will be volunteers helping you find a parking spot. Please plan on traveling as a group to reduce the number of parking spots needed. NOTE: Parking is limited to the lots mentioned above therefore we HIGHLY recommend carpooling i