Road ultramarathons in North America

Scenic 50K route looping through Andrew Jackson Birthplaces on tranquil country roads, with certified course and serene landscapes spanning two states.

Nighttime endurance laps on an illuminated dirt horse track at Harrison County Fairgrounds with continuous chip timing and flexible distance

Relay race route from near the Canadian border to Whidbey Island, featuring scenic stretches through the Seattle region.

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

175-mile relay from Twin Bridges to Virginia City, 10,000 feet of elevation gain, mountain terrain, big sky vistas, and pristine forests

100-mile road race featuring self-support requirements, minimal aid, and extreme endurance demands across a remote course with limited replenishment points

69 miles from vineyard to brewery on scenic backcountry roads, farmland, and riverside paths through Oregon’s coastal landscapes

Rolling grassy hills on a compact cross country loop with team relay format, dusk headlamps required, and awards for most laps completed

Scenic 5K campus loop at Butler University with repeated laps, historic Hinkle Fieldhouse, Tent Village, showers, and on-site refreshments

75-mile team relay from Katy to Surfside Beach, featuring picturesque backroads and varied landscapes along the Texas Gulf Coast

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

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

33.5-mile loop through seven western suburbs, largely on bike paths, with a steady runnable surface and point-to-point feel

Timed ultramarathon featuring 12-hour and 24-hour options on a one-mile loop with full aid station support and space for personal setups

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

Rugged high-altitude ultramarathon through State Forest State Park, with alpine lakes, rocky ridges, remote trails, and 14,500 feet of elevation change

Rugged, heat-defined 24-hour and 48-hour ultra with smart pacing, cooler nighttime hours, and a laid-back, communal atmosphere

9-mile road loop from Kalama Valley Park, gentle elevation, Heartbreak Hill descent, support stations every 2.5 miles, cupless, sustainability focus

Daytime 12-hour, 6-hour, and 3-hour individual runs plus team relays, now part of the RUTS running series