Rock CF Thumb Coast Marathon, Half Marathon & 5K
Port Austin, MI
- Marathon, Half Marathon, 5K
- Road (Paved)
- Official race website
CASEVILLE TO PORT AUSTIN, MICHIGAN Point-to-point, fully paved course on Michigan’s Thumb Coast The Rock CF Thumb Coast Marathon, Half Marathon, and 5K returns to Michigan’s Thumb this November, following an unforgettable first year. This edition brings runners back to the flat, fast, USATF-certified course stretching along the Lake Huron … MORE
Local Historical Weather (Nov 08):
| 2025 | 2024 | 2023 | 2022 | 2021 | |
| H (°F) | 42 | 56 | 43 | 47 | 64 |
| L (°F) | 36 | 47 | 38 | 41 | 47 |
Find Nearby Lodging (hotel, rental, etc.):
Michigans Hidden Gem
What a beautiful course.. I maybe partial but this race in November could bring each one of the four seasons to play so be prepared. However, last year 2025, the … MORE
What a beautiful course.. I maybe partial but this race in November could bring each one of the four seasons to play so be prepared. However, last year 2025, the weather was amazing. Race started at 28′ and warmed up to low 50’s with absolute sunshine and low wind. The leaves were on the trees still but in full color and the lakeshore will keep your eyes focused on anything but the race.