Spring ultramarathons in United States (Southwest)

Challenging desert course through Antelope Canyon mesas and secluded slot canyons, with varied terrain, sweeping vistas, and striking rock formations

Point-to-point route from SR-18 and Pine Valley Road to Ivins Unity Park, with trail sections and scenic paved road through southern Utah.

Historic Texas trail run along Lake Texoma, featuring rugged terrain, scenic views, and multiple distance options including half marathon, marathon, and 50K

50K of three looped circuits on mostly flat, fast singletrack, with dirt, rocks, roots, dry creek beds, and prickly pear-lined South Texas trails.

Wooded singletrack near Austin, with stream crossings, rolling hills and fast descents across more than six miles of true trail

Rugged, rocky single-track through Garner State Park with over 7,500 feet of elevation gain and Old Baldy Mountain vistas

Flat, fast 50-mile route in Getzendaner Park with mostly concrete paths, tree-lined scenery, and minimal traffic, organized to support local community causes.

Scenic 50K course on picturesque trails with frequent aid stations, extensive runner support, and post-race refreshments including soup and frog cupcakes

Fast desert trails in San Angelo State Park, with open runnable terrain, rugged West Texas scenery, Permian tracks, and the park’s Longhorn herd.

Rocky Arizona Trail route from historic Kentucky Camp beneath Mt. Wrightson, with desert terrain, mountain views, and Southern Arizona history

Flat, tree-lined route through Getzendaner Park featuring concrete sidewalks with dirt and gravel sections

Lush forests, oak woodlands, and open grasslands in the Santa Cruz Mountains, scenic ridges and climbs, soft and firm trails, variable weather conditions

Desert single-track out-and-back from Sierra Norte to Vado trailhead

.5-mile out-and-back on Barker Dam Trail and 1-mile asphalt loop with tire dragging for up to 12 hours, testing endurance on mixed terrain

Flat, sandy single-track on Snake Trail, upper west Turkey Mountain; smooth, rock- and root-free course starting and finishing at 61st and Elwood

Antelope Island singletrack with Great Salt Lake views, desert grasslands, undulating exposed trails, and possible bison sightings