Relay ultramarathons

Lap-based trail course in Bramham Park, with wide woodland and heathland trails and landmarks including the Temple of the Lead Lads.

Flat 7km loop on scenic trails near St. Neots, featuring spectator-friendly viewing and the distinctive Tent of Enlightenment on each lap

Team relay journey covering 50, 100, or 200 miles on fully paved White Pine Trail, featuring woodlands, countryside, lakeside views, and historic rail route

Repeated 10K pine-forest circuit at Rocky Hill Ranch, with singletrack, rolling hills, intermittent shade, and long-format options from 50K to 200K.

Half-mile pine forest loop in Lowell Park, continuous 6, 12, or 24-hour format with self-supported setup and solo or team options

Point-to-point route from Ellsworth to Eastport across Down East Maine, featuring demanding terrain and views of the region’s distinctive landscapes

Six-hour endurance format at Greenbury Point, with Chesapeake Bay waterfront views and an exposed coastal setting.

Looped cross-country and single track trails with small hills at Mississippi College Choctaw Trails; intense heat and humidity expected

Flat 1.25-mile paved loop on a former military base with asphalt, concrete, a brief gravel section, and shady pine trees

Scenic alpine 10K loop with 1,546 feet of vertical gain per lap, technical trails through aspen groves and meadows at Powderhorn Mountain

Overnight looping relay and ultra at Kroger Field, with a paved course and a grassy, trail-like section for added variety.

Rolling, shaded 2.6-mile loop with cart paths, wooden bridges, waterfalls, and riverside views at Riverwest Nature Preserve; strict lap cutoffs in summer heat

Scenic Vermont course with 8 miles of road, 23 miles of rugged trails, over 5,000 feet of climbing, and varied landscapes through four towns.

24-hour relay on a scenic loop with a challenging hill at Veterans Park, focusing on endurance, teamwork, and a lively atmosphere