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16th Annual Rock CF Rivers Half Marathon & 5K
Not open yet- Date
- March 21, 2027
- Sport
- Road running
- Location
- Grosse Ile, MI
- Distances
- 5K · 15K · Half marathon
- Entry
- $40 – $90
- Registration opens
- September 18, 2026
- Registration closes
- March 21, 2027
Listing from runsignup. Always confirm details with the organiser.