Fri
16
Oct
2026
Mines of Spain 100
Dubuque, IowaUSA
Louis Murphy Park
100K / 100mi· Trail
One-hundred-mile and one-hundred-kilometre races on the trails of the Mines of Spain Recreation Area.
EventsFind this location on a map
USARunningMixed Terrain50K · 50 km / 31.1 mi50M
Thumb Coast Ultra
Caseville, Michigan, Harbor Beach to Caseville; 50K from Caseville County Park · USA
Next race day
Sat, 24 Apr 2027
2 distances · see start times below
About Thumb Coast Ultra
Thumb Coast Ultra is a running event in Caseville, Michigan, Harbor Beach to Caseville; 50K from Caseville County Park, United States. Recorded disciplines include 50K, 50M. The listed surface is mixed terrain. The listed organiser is Trivium Racing. The next listed date is 24 April 2027. Check the organiser's information for entry and race-day arrangements.
Dates, starts & entry
Times are local to the race. Select the entry route for your distance.
- Check race website
50K · 50 km / 31.1 mi
Sat, 24 Apr 2027
Start time not yet confirmed
Date TBC
2027 race date and distance confirmed from the organiser programme, checked 14 October 2026. Entry availability is not confirmed by this listing; check the organiser website. The TBC status refers to entry availability, not the published race date. The 50-mile course runs from Harbor Beach to Caseville; the 50K is out and back from Caseville. Relay, ruck and virtual choices are not additional distance listings.
Edition source - Check race website
50M · 80.5 km / 50.0 mi
Sat, 24 Apr 2027
Start time not yet confirmed
Date TBC
2027 race date and distance confirmed from the organiser programme, checked 14 October 2026. Entry availability is not confirmed by this listing; check the organiser website. The TBC status refers to entry availability, not the published race date. The 50-mile course runs from Harbor Beach to Caseville; the 50K is out and back from Caseville. Relay, ruck and virtual choices are not additional distance listings.
Edition source
Location & race day
Listed venue / area
Harbor Beach to Caseville; 50K from Caseville County Park, Caseville, MichiganUSA
Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.
About the race
Ultra races across Michigan’s Thumb, using predominantly dirt and gravel roads.
- Surface:
- Mixed Terrain
- Organiser:
- Trivium Racing
Ways to enter
Compare the listed booking routes. Verified links show when they were checked.
Sat, 24 Apr 2027
No confirmed entry route is listed yet.
Check the organiser’s page for the latest ballot, waiting-list or entry information.
Race websiteThird-party prices, booking fees, allocations and refund terms can differ. Confirm the final details with the provider before paying.
Results
Public-figure or athlete-approved ATHRECS results, plus verified organiser links.
No verified results links have been added yet.
Past races
None listed yet.
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