Frozen: H3

Cordesville, United States • 9-11 Jan 2026

Frozen: H3 is an ultramarathon event held in Bethera, South Carolina, within the Francis Marion National Forest. The race features multiple distances including a 100-mile, 50-mile, 50K, 25K, 10K, and a Night 25K, with courses running on the Jericho Horse Trail, consisting of flat, dirt fire roads and single/double track trails. Runners complete loops of 16 or 18 miles depending on their event.

The course is well-marked with aid stations offering snacks, hot food, and hydration. Night running requires lights for safety. The event fosters a supportive atmosphere with volunteer opportunities and camping near the start/finish area.

It is part of the Swamp Series, encouraging participation in multiple races. Visit the organization's website for the most recent information.

Race information

100 mi
100 Miler
50 mi
50 Miler
50 km
50k
25 km
25k
25 km
Night 25k
10 km
10k
Visit the organization's website for the most recent information.
Trail runs nearby

The IOP Beach Run is an annual event held on the flat, wide, hard-packed beach near low tide at Isle of Palms, South Carolina. It features multiple race options including 5K and 10K runs, a 5K walk, and youth fun runs for various age groups (100-yard for ages 4 and under, 1/2 mile for ages 5-8, and..

The Midnight Dreary is a USATF-sanctioned 24-hour running event held at the Town Hall track in Mount Pleasant, South Carolina. Featuring 24-hour, 12-hour, and 6-hour race options, the event takes place on a USATF-certified 400-meter rubberized track with lighting for nighttime running and ample shad..

The Charleston Itty Bitty 50 is a 50-mile self-supported ultramarathon held in Charleston, South Carolina, starting at the West Ashley Greenway and finishing at the Peyton Johnson Moore Track and Field in Mount Pleasant. The point-to-point course showcases the scenic Lowcountry, crossing landmarks s..

The Swamp Fox Ultra is a unique trail running event held in McClellanville, South Carolina, traversing the entire Francis Marion National Forest. Offering distances of 100 miles, 50 miles, 50K, half marathon, and 10K, the race features out-and-back courses without loops, allowing runners to experien..

Peyton's Wild and Wacky 10x5K Ultra is a unique trail running event held annually on the Laurel Hill Trail in Mount Pleasant, South Carolina. Scheduled for March 14, 2026, the race features a 50K ultra run composed of ten consecutive 5K loops, starting each hour from 8:00 AM. Participants can run so..

The Hell Hole Hundred is a challenging ultramarathon held in June at the Jericho Horse Trail within South Carolina's Francis Marion National Forest near Bethera. The event offers multiple distances, including 10k, 25k (day and night), 50k, 50 miles, and a grueling 100-mile race. The course features..