Trenton Summerfest Half Marathon, 8K, and 5K
About this race
Trenton Summerfest Half Marathon, 8K, and 5K – June 27, 2026
Looking for a fast, scenic early-summer race in Southeast Michigan? Trenton Summerfest Half Marathon, 8K, and 5K on June 27, 2026 features USATF-certified courses, flat and runner-friendly routes, and a welcoming atmosphere for every pace. The Half Marathon starts early to help athletes beat the heat, while the 8K and 5K begin a bit later—ideal options whether you’re chasing a PR or enjoying a fun run or walk with friends.
Run through Elizabeth Park, along the river in Trenton, and—if you're taking on 13.1—through Gibraltar on a course known for smooth organization, great support, and well-stocked aid stations. With low elevation gain, beautiful scenery, and strong community energy, this is a perfect way to kick off your summer racing season.
Why runners choose Trenton Summerfest:
- All distances are USATF-certified
- Early Half Marathon start helps athletes beat the heat
- PR-friendly Half Marathon with just 96’ of elevation gain
- Scenic 8K with rolling variety
- Fast, flat 5K great for runners and walkers
- Beautiful routes through Downriver - Elizabeth Park, Trenton, and Gibraltar
- Welcoming environment for all paces
- Strong on-course support and great awards
- Part of the Trivium Michigan Mega Medal Series
Part of the Trivium Michigan Mega Medal Series
Trenton Summerfest is the second race in the six-race Trivium Michigan Mega Medal Series. Register once, run your chosen distances, and earn a medal at each event—each one connecting magnetically at year’s end to form a single giant Mega Medal. Run in-person or virtually, depending on your goals and schedule.
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, 2026 · Detroit, MI
- Black Toenail Friday Half Marathon & 7.5 Miler – November 27, 2026 · Commerce Township, MI
Pick your distance
Running
5k
8k
Half Marathon
5k - Economy Package
This option is for runners who want to race, but do not want the finisher's medal or race shirt.
8k - Economy Package
This option is for runners who want to race, but do not want the finisher's medal or race shirt.
Half Marathon - Economy Package
This option is for runners who want to race, but do not want the finisher's medal or race shirt.
Virtual 5k
Want to complete the whole Mega Medal, but you’re going to miss one of the races? Select the Virtual Race option and complete the race distance on your own time. Submit your virtual results and we will have your race packet (shirt and medal) mailed to you after race day!
Virtual 8k
Want to complete the whole Mega Medal, but you’re going to miss one of the races? Select the Virtual Race option and complete the race distance on your own time. Submit your virtual results and we will have your race packet (shirt and medal) mailed to you after race day!
Virtual Half Marathon
Want to complete the whole Mega Medal, but you’re going to miss one of the races? Select the Virtual Race option and complete the race distance on your own time. Submit your virtual results and we will have your race packet (shirt and medal) mailed to you after race day!
Typical race-day weather
Based on 9 years of historical conditions on this event's race dates in Trenton.
Course
Route map and elevation profile
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — Trenton Summerfest Half Marathon, 8K, and 5K
Other races near Trenton
Different organizers, within 40 miles, in the next three months
Ivf Warrior 5k Run/Walk
Blue Ribbon Run
Little Tens Invitational
St. John's Waltz Applefest 5K/10K Run
🏃 Plan Your Next Race in Trenton
Find upcoming events by distance:
- Trenton 5K Races 2 races
- Trenton Running Calendar 2026 2 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 2 Trenton events
Spotted something wrong? Tell us and we'll fix it.