April ultramarathons in United States (East)

95% packed dirt course with brief rock and grass sections near sunflowers, 36-hour format, multiple 5k laps, 100-mile Country Sized belt buckle

Sandy trails beneath longleaf pine canopy in Weymouth Woods-Sandhills Nature Preserve, cupless format with start/finish aid station

Repeated loops on private mountain trails, with relentless climbs, long switchbacks, and a remote, rugged feel in the Leatherwood Mountains.

Challenging 50-mile course on Florida’s Croom Hiking Trail with three loops through longleaf pine forests, scrub oak hills, creek bottoms, and cypress ponds

Trail loop course at Genessee Valley Outdoor Learning Center with day and night running, mass start, time-based endurance format, and on-course support

Forested, rolling trails through historic Civil War sites and extensive bluebell stands in a scenic Virginia park

Jeep trails and singletrack paths through Mt. Toby’s varied terrain, early-season race atmosphere

Mostly singletrack 50K through Oak Mountain State Park, with varied terrain, two climbs up Double Oak Mountain, and views of Peavine Falls.

123-mile point-to-point crossing with mixed trail and road, a long, demanding effort across one of the nation’s smallest states.

Two-loop 50K course on scenic single-track trails with rolling hills and lakeside views at Fort Yargo State Park near Atlanta

Single track and gravel loops at Jacobsburg State Park, 450 feet of elevation change per lap, options for 3-hour or 6-hour duration

Looped 50k and 50 mile courses through scenic Memphis

Approachable 100-mile format with limited technical terrain, heat, and navigation demands; a controlled setting for steady endurance.

Flexible ultra trail format on wooded South Carolina trails, with a Last Man Standing option and a long-weekend camp setting.

120-mile relay through the Ozark Mountains near Lake Leatherwood, featuring three unique trail segments per runner

Overnight 24-hour looped trail format at Shelby Farms, centered on Tour de Wolf Pavilion with wooded terrain and a basecamp setting.

Reverse-direction loop course through Wompatuck State Park, 8-hour ultramarathon format, trails starting and finishing at campgrounds