50mi June ultramarathons in United States

Demanding 50- and 100-mile mountain routes over Scout Mountain, with tough climbs, rugged scenery, and high-country terrain in southeast Idaho.

Rugged 50-mile and 100-mile ultra on the Jericho Horse Trail, with swamps, deep forest, and punishing South Carolina heat and humidity.

Point-to-point traverse of Connecticut along Blue Blazes, 112 rugged miles on Mattabesset and Menunkatuck trails, remote landscapes and significant elevation

Scenic loop in Colorado's Wet Mountains, from lush alpine forests to arid high-desert terrain, panoramic Spanish Peaks and Sangre de Cristo views

Point-to-point ultramarathons on challenging trail courses through state recreation areas, featuring significant elevation and multiple aid stations

Flat 5-mile loop from St. Helena Park via the Ohio & Erie Canal Towpath and Olde Muskingum Trail, on packed crushed limestone with brief grass

Single tracks and fire roads through the Santa Monica Mountains, with ridges and canyons across 100k, 50-mile, 50k, and 30k distances

Point-to-point relay from Mount Rainier base to Ruston waterfront, challenging terrain and scenic Pacific Northwest landscapes

Point-to-point on the Virginia Creeper Trail: long downhill opening, fast runnable rail-trail miles, forest scenery, and a tougher 50-mile out-and-back.

Out-and-back ultramarathon on the Pacific Crest Trail, featuring rocky single track, multiple climbs, and elevations rising from 3,000 to 6,000 feet.

Scenic Wasatch Mountains trails, attractive terrain, and a low-key local atmosphere with an intimate field and community support.

Eight 12.5-mile loops on mostly single track and dirt roads, frequent rolling hills, 12,000 feet total elevation gain, multiple aid stations

12.5-mile loop course with 75% singletrack, rolling elevation, and roughly 1,500 feet of gain per loop.

Flat, fast cross-country loop on dirt, grass, and gravel with minimal elevation gain, Rocky Mountain views, and a course winding past rescued animals

Scenic forest trails through rolling wooded terrain, with runnable sections, punchy climbs, and the signature Big Dam Hill.

Rolling park terrain, wooded trails, and the challenge of Big Dam Hill on a 20-mile route in Chester Woods Park

Hybrid-format ultramarathon featuring elements of the former Arkansas Backyard Ultra Championship

Rugged 50-mile loop in the Wasatch Mountains with technical trails, over 10,000 ft elevation change, five major climbs, and scenic canyon and valley views.

13,600 feet of elevation change over single track and fire roads, alternating hilly 13.5 and 11.5-mile loops from Cool Firehouse through river and ridge terrain

Two 25.5-mile loops through Prince William Forest Park’s historic trails, starting at sunset with no section repeated in both daylight and darkness