Michigan · Marathon · Half Marathon · 5K
Rock CF Thumb Coast Marathon, Half Marathon & 5K
Rock CF Thumb Coast Marathon, Half Marathon & 5K is a marathon, half marathon and 5K event held in Port Austin, Michigan. Its next confirmed date is Sunday, November 8, 2026. About 733 runners take part across all distances.
- Race day
- November 8, 2026
- Location
- Port Austin, MI
- Field size
- ~733 runners
Race details
- Date
- Sunday, November 8, 2026
- Location
- Port Austin, Michigan
- Distances
- Marathon, Half Marathon, 5K
- Field size
- About 733 runners
- Course
- Flat point-to-point course, ~265 ft total gain (marathon), USATF-certified Boston Qualifier
- Registration
- runsignup.com
Registration, course & weather
- Registration status
- Open
- Entry fee
- Listed fee for the longest distance, $140 (from runsignup.com, checked September 25, 2026)
- Start time
- 8:00 AM EST
- Course profile
- Point-to-point course; Road surface; 265 ft gain, 264 ft loss (estimated from third-party elevation data); USATF certified; Boston qualifier
- Typical race-day weather
- about 39°F at the start, 93% humidity, 6 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026)
About the Rock CF Thumb Coast Marathon, Half Marathon & 5K
The Rock CF Thumb Coast Marathon, Half Marathon & 5K is back on Sunday, November 8, 2026. This second year event offers a flat, fast, fully paved, USATF-certified course stretching across Michigan’s beautiful Lake Huron coastline. The Marathon is a Boston Qualifier, and both the Marathon and Half will include pace teams to help you hit your goals. Starting in Caseville and finishing in downtown Port Austin, this point-to-point race delivers the perfect combination of speed, scenery, and small-t…
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Guides from the RaceRove blog
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Rock CF Thumb Coast Marathon, Half Marathon & 5K: common questions
- When is the Rock CF Thumb Coast Marathon, Half Marathon & 5K?
- The next confirmed date is Sunday, November 8, 2026.
- Where is the Rock CF Thumb Coast Marathon, Half Marathon & 5K held?
- In Port Austin, Michigan.
- What distances does the Rock CF Thumb Coast Marathon, Half Marathon & 5K offer?
- Marathon, Half Marathon and 5K.
- How many people run the Rock CF Thumb Coast Marathon, Half Marathon & 5K?
- About 733 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Rock CF Thumb Coast Marathon, Half Marathon & 5K?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Rock CF Thumb Coast Marathon, Half Marathon & 5K?
- Yes — registration is open. Listed fee for the longest distance, $140 (from runsignup.com, checked September 25, 2026).
- What time does the Rock CF Thumb Coast Marathon, Half Marathon & 5K start?
- 8:00 AM EST.
- What is the course like at the Rock CF Thumb Coast Marathon, Half Marathon & 5K?
- Point-to-point course; Road surface; 265 ft gain, 264 ft loss (estimated from third-party elevation data); USATF certified; Boston qualifier.
- What is race-day weather usually like at the Rock CF Thumb Coast Marathon, Half Marathon & 5K?
- about 39°F at the start, 93% humidity, 6 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026).
Plan this race in RaceRove
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