100mi June ultramarathons in United States (Southeast)

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

Historic 100-mile route featuring demanding terrain, hot and humid conditions, and a strict 24-hour cutoff

Scenic lakeside and woodland trails through rolling terrain in Midlothian, Virginia with a 4.167-mile Backyard Ultra loop under open skies

Forest and creekside course with challenging elevation gain, scenic routes, and a legendary Woodbooger theme