Thumb Coast Ultra & Relay - 50 Mile, 50k, & 50 Mile Relay
From Trivium Racing
Event summary
With only 500 feet of elevation gain for the 50 Mile and 300 feet for the 50K, the routes are accessible for first-time ultrarunners while still fast enough for experienced athletes aiming to set personal records. Runners can look forward to generous cutoff times, well-marked courses, and fully stocked aid stations, creating a supportive environment for all participants. Plus, those who finish the 50 Mile race before sunset will receive a special prize! Join a vibrant community of runners, ruckers, and relay crews as you take on this unforgettable spring adventure in Caseville. Don't miss out on this chance to challenge yourself and celebrate endurance with fellow athletes!
Races
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50 Mile Ruck
Incl. $11.60 Fee & Jacket
Ruckers are hiking with a weighted ruck sack or weight plate carrier and will be weighed prior to the race. Ruckers Under 150 lbs must have a backpack with 20 lbs Ruckers Over 150 Lbs must have a backpack with 30 lbs As the Ruck event will begin prior to sunrise, this category is not eligible for overall or age group awards. Will still be eligible for Beat the Sun.
Register5:00 AM EDT
$171.60
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50k Ruck
Incl. $10.10 Fee & T-Shirt
Ruckers are hiking with a weighted ruck sack or weight plate carrier and will be weighed prior to the race. Ruckers Under 150 lbs must have a backpack with 20 lbs Ruckers Over 150 Lbs must have a backpack with 30 lbs
Register7:30 AM EDT
$145.10
Organiser's description
Thumb Coast Ultra & Relay is a one-of-a-kind spring ultramarathon in Michigans Thumb. On Saturday, April 24, 2027, runners and ruckers will take on the challenge of racing from Lake Huron in Harbor Beach to Saginaw Bay in Caseville in the 50 Mile divisionor team up with friends for the 50 Mile Relay. The 50K features a flat out-and-back course starting and finishing in Caseville.
This race offers the rare opportunity to run point-to-point across the Thumb on mostly dirt and unimproved rural roads. With just 500 feet of elevation gain in the 50 Mile and 300 feet in the 50K, its a course that is both approachable for first-time ultrarunners and fast enough for seasoned athletes looking to chase a personal best. Generous cutoff times allow all participants a chance to achieve their goal, while 50 Mile finishers who beat the sun with a daylight finish earn a unique prize in addition to their medal.
Thumb Coast Ultra & Relay is more than just a raceits a test of endurance, teamwork, and determination supported by a welcoming community. Participants can expect a well-marked course, fully stocked aid stations https://runsignup.com/Race/ThumbCoastUltra50Mileand50Kilometer/Page/AidStation, and the camaraderie of runners, ruckers, and relay crews tackling the same adventure together.
WHY RUN THUMB COAST ULTRA?
* Unique point-to-point ultramarathon from Harbor Beach to Caseville in the 50 Mile and Relay.
* Flat and fast courses: 500 feet of elevation gain (50 Mile) and 300 feet (50K).
* Relay option: Gather your crew and tackle the 50 Mile as a team.
* Ruck divisions available in both the 50 Mile and 50K.
* Generous cutoff times https://runsignup.com/Race/ThumbCoastUltra50Mileand50Kilometer/Page/AthleteGuide to support beginners and seasoned veterans alike.
* Special prize for 50 Milers who beat the sunset at the Caseville finish.
* Well-marked course with excellent aid stations, staffed by an enthusiastic volunteer crew.
* A true spring race experience in Michigans Thumb, just before the busy summer season begins.
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Location
6400 Main St, Caseville, 48725, MI, United States
Thumb Coast Ultra & Relay - 50 Mile, 50k, & 50 Mile Relay