RunRace USA › Michigan › 16th Annual Rock CF Rivers Half Marathon
16th Annual Rock CF Rivers Half Marathon
Grosse Ile, Michigan · Sunday, March 21, 2027 · Half Marathon, 15K, 5K
Official race page & registration ↗Saves stay on this device. Calendar entries use the listed date; confirm your distance and start time with the organizer.
16th Annual Rock CF Rivers Half Marathon takes place on Sunday, March 21, 2027 in Grosse Ile, Michigan. The race offers 3 distances: Half Marathon, 15K, 5K. For anyone travelling in, Detroit is about 14 miles away.
It is one of 26 races on the Michigan calendar that March.
- Date
- Sunday, March 21, 2027
- Location
- Grosse Ile, Michigan
- Distances
- Half Marathon, 15K, 5K
- Entry fee
- from $40 across event options; may include kids or shorter events. Check distance-specific prices and fees.
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Correct this listing.
Making a race weekend of it?
Stay near the start line in Grosse Ile: check in Mar 20, out Mar 22.
Common questions
When is 16th Annual Rock CF Rivers Half Marathon?
16th Annual Rock CF Rivers Half Marathon is scheduled for Sunday, March 21, 2027.
Where is 16th Annual Rock CF Rivers Half Marathon held?
16th Annual Rock CF Rivers Half Marathon is held in Grosse Ile, Michigan. It is about 14 miles from Detroit.
What distances does 16th Annual Rock CF Rivers Half Marathon offer?
The listed distances are Half Marathon, 15K, 5K.
How much does 16th Annual Rock CF Rivers Half Marathon cost?
Listed event options start from $40. This minimum may be for a kids or shorter event. Check the official race page for your distance's current price and any additional fees.
How do I register for 16th Annual Rock CF Rivers Half Marathon?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
- May 8MP Strength Mental Health Ruck WalkWoodhaven, MI
- Apr 12Kids Run SouthgateSouthgate, MI
- Nov 21Blitzen the DotteWyandotte, MI
- Apr 4Strides for Adam 5KRiverview, MI
- Nov 262026 Flat Rock Grateful Gallop 5k/1-MileFlat Rock, MI
See every race on the Michigan calendar, Michigan Half Marathons, Michigan 5Ks, or use the Race Finder for maps and filters.