2026 - Rock CF Rivers Half Marathon & 5K
2026 distances
Running
Half Marathon
The Half Marathon starts & finishes Grosse Ile Middle School.
15K
The 15K will start with the Half Marathon at Grosse Ile Middle School and finish at the GI Airport.
5K Run/Walk
The 5K starts at the GI Airport and finishes at Grosse Ile Middle School! Participants can gather in hangar before headed to the start line south of the hangar.
Virtual Run
Course
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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2026 results — Rock CF Rivers Half Marathon & 5K
1,258 finishers across 3 distances · leading places in the Half Marathon
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Andrew Bowman | 1:03:19 | 4:50 /mi |
| 2 | John Burchfield | 1:06:48 | 5:06 /mi |
| 3 | Nick Licari | 1:07:24 | 5:09 /mi |
| 4 | Matt Bourland | 1:10:20 | 5:22 /mi |
| 5 | Dan O'Keefe | 1:10:55 | 5:25 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
Other races near Grosse Ile
Different organizers, within 40 miles, in the next three months
Blitzen the Dotte
Flat Rock Grateful Gallop 5k/1-Mile
Detroit Auto Show 5K
World Run Day Virtual 5K - Detroit
🏃 Plan Your Next Race in Grosse Ile
Find upcoming events by distance:
- Grosse Ile 5K Races 2 races
- Grosse Ile 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 Grosse Ile events
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