50mi August ultramarathons in United States (Southwest)

Marathon and 50-mile races through the scenic southern Sangre De Cristo mountains, finishing with a Tooth of Time Ridge descent to Base Camp in Cimarron

High-altitude courses over 10,600 feet, technical trails and remote forest service roads, striking mountain views, and challenging wilderness terrain

High-altitude 100-mile route through the La Sal Mountains with approximately 21,000 feet of climbing and descending

Scenic 50-mile loop through Upper Logan Canyon, starting and finishing at Beaver Mountain Ski Area, featuring segments of the Bear 100 course

Challenging 50K and 50M trail races in Roxborough State Park with steep climbs, technical terrain, minimal shade, and substantial elevation gain.

50-mile point-to-point run and relay through Ashley National Forest, from backcountry campground to Remember the Maine Park, with mountain views.

Scenic 2-mile loop at Harvey Bear Ranch with hill and mountain views, multiple distance options, generous cutoff times, and a community-focused environment.

Over 20,000 feet of elevation gain on rugged alpine trails through the San Juan Mountains, culminating with a steep ascent to the Bridge of Heaven.

Challenging technical trails and scenic views across a vibrant 1400-acre venue on Labor Day weekend, featuring trail runs, mountain biking, and outdoor festival