The Swamp Fox Ultra
McClellanville, United States • 7-8 Mar 2026
Event details
The Swamp Fox Ultra in McClellanville, SC, offers trail races over multiple distances:
- 100 Mile
- 50 Mile
- 50K
- Half Marathon
- 10K
The event takes place in and across the Francis Marion National Forest and operates under a special use permit with the forest. The race is part of the Swamp Series, which combines this event with two other races to award overall distance winners.
Course and support
Most distances are run as out-and-back courses with designated turnaround points that return to the start/finish. The full route uses Awendaw and Swamp Fox passages of the Palmetto Trail, including single and double track, fire roads, and boardwalks. The course is described as generally flat with some roots and mostly shaded sections; some low areas may hold water depending on recent weather. The 100 mile distance covers roughly 104 miles and the 50 mile is about 53 miles; 50K and 10K distances are near advertised mileage.
Aid support includes 4 aid stations plus 3 water drops along the primary 52 mile out-and-back section. Aid stations will be stocked with food and drinks, provide porta potties, and can receive drop bags that are transported from the start/finish. Runners must use a reusable cup or personal bottle, as the race is cupless. Pacers and crew access rules apply for longer distances. Required gear is specified for 100 mile entrants. Visit the organization's website for the most recent information.