Trenton Summerfest Half Marathon, 8K, and 5K
Trenton Summerfest offers a fast, flat, and scenic early-summer race experience in Southeast Michigan.
Race Date
Jun 27, 2026
Location
Trenton, MI
Quick facts
- Date
- Saturday, June 27, 2026
- Location
- Trenton, Michigan
- Distance
- Half marathon (13.1 mi) + 5K, 8K, 13.1 Miles
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Yes
- Finishers on record
- 491
Highlights
Good For
Atmosphere
Course
The Experience
The Trenton Summerfest Half Marathon, 8K, and 5K provides a welcoming early-summer racing opportunity in Southeast Michigan. Runners can expect a fast, flat, and USATF-certified course designed for personal bests, with the half marathon starting early to mitigate the heat. The routes wind through Elizabeth Park and along the river in Trenton, extending into Gibraltar for the 13.1-mile distance.
This event, first run in 2022 and now in its fourth edition, typically sees around 191 finishers, drawing participants from approximately 15 states. While the repeat-runner rate is about 10%, the growing field size indicates increasing popularity. Runners often praise the smooth organization, strong on-course support, and well-stocked aid stations, contributing to a positive race-day atmosphere.
As part of the Trivium Michigan Mega Medal Series, Trenton Summerfest offers a festive environment and is an ideal choice for those seeking a well-organized, scenic race to kick off their summer.
Race-provided description
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-certifiedEarly Half Marathon start helps athletes beat the heatPR-friendly Half Marathon with just 96’ of elevation gainScenic 8K with rolling varietyFast, flat 5K great for runners and walkersBeautiful routes through Downriver - Elizabeth Park, Trenton, and GibraltarWelcoming environment for all pacesStrong on-course support and great awardsPart 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, MITrenton Summerfest Half Marathon, 8K, & 5K – June 27, 2026 · Trenton, MIDearborn Decades 5K – August 9, 2026 · Dearborn, MIRun the 313 5K – August 22, 2026 · Detroit, MIGrowler Gallop Atwater 10 Mile & 5K – September 27, 2026 · Detroit, MIBlack Toenail Friday Half Marathon & 7.5 Miler – November 27, 2026 · Commerce Township, MI
Logistics
Race Day
Saturday, June 27, 2026
Start Time
7:00 AM
Giveaway
T-Shirt
Start Location
4250 Elizabeth Dr, Trenton, MI, 48183
Course Info
USATF CertifiedCourse Type
Loop Course
Terrain
road
Scenery
Lake River, Park
Surface
Paved
Difficulty
Ultra-Flat
Net Drop/km
+0.06 m
Separation
0.9%
Also Offers
USATF Certified Course
MI22022MN · Trenton Summerfest Half Marathon
Relatively flat with minimal net elevation change. Loop course — start and finish are close together.
Quality Score
Solid Pick544 years running
~135 finishers a year
growing or steady
10% returning runners
USATF certified · 3 timing sources
runners from 15 states
winner 1:16:50
typical high 82°F
Race Day Weather
5-year historical avgStart (Low)
67°
Afternoon (High)
82°
Hot conditions — adjust pace expectations, prioritize hydration
0.2"
Precipitation
12 mph
Wind
72%
Humidity
Historical Finish Times
How 491 finishers actually crossed the line across 4 years.
Most recent
2025
Total finishers
491
Median time
2:09:52
Latest turnout
191
States
22
Turnout by year
2022–2025
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Trenton Summerfest Half Marathon, 8K, and 5K?
The Trenton Summerfest Half Marathon, 8K, and 5K is held on Saturday, June 27, 2026, starting at 7:00 AM.
Where does the Trenton Summerfest Half Marathon, 8K, and 5K take place?
It takes place in Trenton, Michigan.
What distances does the Trenton Summerfest Half Marathon, 8K, and 5K offer?
The half marathon (13.1 miles), plus 5K, 8K, 13.1 Miles.
Is the Trenton Summerfest Half Marathon, 8K, and 5K course flat and good for a PR?
The Trenton Summerfest Half Marathon, 8K, and 5K is a ultra-flat, loop course course. The course is USATF-certified, so finish times can be used for qualifying.
How many people run the Trenton Summerfest Half Marathon, 8K, and 5K?
HalfRuns has finish records for 491 runners who have completed the Trenton Summerfest Half Marathon, 8K, and 5K.
HalfRuns editorial — independent, no paid placement.
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