Grand Island Trail Run
Grand Island Marathon offers a scenic trail race in Michigan's Upper Peninsula.
Race Date
Jul 25, 2026
Location
Munising, MI
Quick facts
- Date
- Saturday, July 25, 2026
- Location
- Munising, Michigan
- Distance
- Half marathon (13.1 mi) + 50K, 26.2M
- Course
- Loop Course
- Terrain
- Trail
- USATF certified
- Not listed
- Finishers on record
- 2,898
Highlights
Good For
Atmosphere
Course
The Experience
The Grand Island Marathon, held near Munising, Michigan, invites runners to explore the inspiring terrain of the Upper Great Lakes. This event, first run in 2011 and now in its 12th year, typically sees around 206 finishers, drawing participants from approximately 31 states.
The race is known for its ecologically mindful approach to trail running, utilizing the natural beauty of its setting. With minimal elevation changes, the course offers a relatively flat challenge for trail runners, focusing on the scenic experience over demanding climbs.
Participants can expect a unique atmosphere amidst the Upper Peninsula's landscapes. While the repeat-runner rate is around 19%, the event's draw lies in its distinctive location and the opportunity to experience trail running in a less-traveled, yet beautiful, part of the country.
Race-provided description
Great Lakes Endurance - Ecologically mindful trail running events on the Upper Great Lakes most inspiring terrain.
Course Info
Course Type
Loop Course
Terrain
trail
Scenery
Forest, Lake River
Surface
Dirt Trail
Difficulty
Ultra-Flat
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
Quality Score
Standout7512 years running
~206 finishers a year
shrinking
19% returning runners
3 timing sources · 7 photos
runners from 31 states
winner 1:26:46
typical high 75°F
Race Day Weather
5-year historical avgStart (Low)
61°
Afternoon (High)
75°
Warm — hydration strategy is key, start conservatively
0.1"
Precipitation
12 mph
Wind
79%
Humidity
Historical Finish Times
How 2,898 finishers actually crossed the line across 12 years.
Most recent
2023
Total finishers
2,898
Median time
2:20:53
Latest turnout
206
States
46
Turnout by year
2015–2023
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Grand Island Trail Run?
The Grand Island Trail Run is held on Saturday, July 25, 2026.
Where does the Grand Island Trail Run take place?
It takes place in Munising, Michigan.
What distances does the Grand Island Trail Run offer?
The half marathon (13.1 miles), plus 50K, 26.2M.
Is the Grand Island Trail Run course flat and good for a PR?
The Grand Island Trail Run is a ultra-flat, loop course course.
How many people run the Grand Island Trail Run?
HalfRuns has finish records for 2,898 runners who have completed the Grand Island Trail Run.
HalfRuns editorial — independent, no paid placement.
Explore More Journeys
Can't make it to Munising? Discover other experiences that match your running style.
Search All Races
