16th Annual Rock CF Rivers Half Marathon 2027 — Grosse Ile, MI
The 16th Annual Rock CF Rivers Half Marathon takes place at 7800 Grays Dr in Grosse Ile, Michigan on March 21, 2027. The event offers three running distances: 1 Mile, 5K, and Half Marathon. The typical start time is 8:00 AM, and entry prices range from $40.00 to $90.00. A virtual participation option is available.
Course & Travel Notes
The 16th Annual Rock CF Rivers Half Marathon takes place on March 21, 2027, in Grosse Ile, Michigan, at an elevation of 597 feet with an 8:00 AM start time, which is 26 minutes after sunrise. Detroit Metropolitan Wayne County Airport is 12.1 miles from the venue. Typical weather normals for March in the area show average highs of 46°F and average lows of 29°F, with measurable precipitation occurring on 36% of days.
Hotels Near This Race
Find accommodation close to the start line in Grosse Ile, MI. Sorted by distance from the race venue. Book early — race weekend hotels fill fast.
16th Annual Rock CF Rivers Half Marathon 2027 — Grosse Ile, MI
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Race Travel Insurance
Don't forget travel insurance for March 21.
You've trained for months and booked a trip to Grosse Ile, MI. A pre-race injury, a delayed flight, or a family emergency can derail the whole thing. Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it, and may cover medical costs if something goes wrong on the course. Plans typically only run 5-7% of your total trip cost — and running events are covered under standard plans with no additional coverage needed.
- Trip cancellation up to 100% of prepaid costs
- Running events covered under standard plans — no add-ons needed
- Trip interruption up to 150% of non-refundable costs
- Emergency medical up to $250,000
- Cancel For Any Reason add-on available
- 24/7 real-time support
Affiliate links — we may earn a commission at no cost to you. Coverage terms vary by state and plan. Review policy details before purchase.
Frequently Asked Questions
When is 16th Annual Rock CF Rivers Half Marathon 2027 — Grosse Ile, MI?
16th Annual Rock CF Rivers Half Marathon 2027 — Grosse Ile, MI takes place on March 21, 2027. The race is held in Grosse Ile, Michigan.
Where is 16th Annual Rock CF Rivers Half Marathon 2027 — Grosse Ile, MI held?
16th Annual Rock CF Rivers Half Marathon 2027 — Grosse Ile, MI is held at 7800 Grays Dr in Grosse Ile, Michigan.
Where can I find hotels near 16th Annual Rock CF Rivers Half Marathon 2027 — Grosse Ile, MI?
RaceHotelFinder shows hotels sorted by distance from the race venue in Grosse Ile. Use the map or list view on this page to compare options and book race weekend accommodation.