Thumb Coast Marathon
Lexington, United States of America · Sunday 8 November 2026
The event is held along Michigan's Lake Huron shoreline, starting in downtown Caseville and proceeding eastward to a finish in the community of Port Austin. The route is point-to-point and fully paved, with the course designed to showcase the region's characteristic Thumb Coast.Runners travel mainly along the waterfront, including a loop through Point Crescent State Park before culminating on Main Street in Port Austin.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:28:41
Time difference: +28.7 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain81m
Elevation High187m
Elevation Low177m
Weather Forecast
High10°C
Low5°C
Chance of Rain67%
How hard is Thumb Coast Marathon?
Very Difficultharder than 84% of marathons
Flattest / easiestHardest
On our difficulty model, Thumb Coast Marathon plays about 32 minutes slower than an average road marathon for a 3:30 runner. It ranks #181 hardest of 1150 marathons we analyse, and #111 of 575 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Thumb Coast Marathon?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Thumb Coast Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:24:38 | +24:38 |
| 3:30:00 | 3:56:52 | +26:52 |
| 4:00:00 | 4:28:41 | +28:41 |
| 4:30:00 | 5:00:12 | +30:12 |
| 5:00:00 | 5:31:26 | +31:26 |
| 5:30:00 | 6:02:28 | +32:28 |
| 6:00:00 | 6:33:18 | +33:18 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Thumb Coast Marathon 2026 Course Analysis
Thumb Coast Marathon is a full marathon held in Lexington, United States of America. It is scheduled for Sunday 8 November 2026. The course is run on trail surface with 81m of total climbing, with its high point near 187m above sea level. For registration and full race details, visit the official Thumb Coast Marathon website.
Elevation Profile
This is a very flat course, with only 81m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Expected Race Day Weather
Based on historical weather data for November, the expected race day conditions are as follows. Cold conditions are expected, with temperatures between 5°C and 10°C. While cold weather reduces overheating risk, runners should dress in layers and be prepared for potential wind chill. There is a high chance of rain (67%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Trail
Thumb Coast Marathon is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are usually slower than the road equivalent - often by 10-20% - because of uneven footing, technical sections, and frequently steeper gradients, though a smooth, non-technical or downhill trail can run faster than that suggests. Trail-specific shoes with good grip are recommended.
Looking for an easier marathon or a tougher challenge? You can also compare Thumb Coast Marathon against other marathons to find the right race for your goals.
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