Trail Running Calendar United States 2025-2026

The Summit 200 is a single, non-repetitive 200‑mile loop around Summit County, Colorado, centered near Frisco. The mostly non-urban route uses single-track trails, forest roads, and some rec paths and pavement, with the lowest altitude above 9,000 ft and sections climbing toward 12,800 ft, plus 12 f..

The Badwater 135 Ultramarathon, hosted by AdventureCORPS, is globally recognized as the world's toughest foot race. It covers a grueling 135 miles (217 km) non-stop from Badwater Basin in Death Valley, California—the lowest point in North America at 282 feet below sea level—to Whitney Portal at 8,36..

Hood Hundred is a 100-mile mountain trail race set on Mt. Hood, Oregon, with start and finish at Mt. Hood Meadows in Mt.Hood National Forest. The route covers diverse, scenic terrain on a crew-supported, lollipop-loop course totaling about 17,300 feet of ascent and 17,300 feet of descent. The event..

Loopy Looper is an endurance event held at Cooper River Park, Jack Curtis Stadium, Pennsauken, NJ. The race offers 12-hour, 24-hour, and 101.25-mile options, with the 101.25 mile distance defined as 27 laps of a 3.75-mile paved loop around the park. The course is flat and fast, touted as one of the..

Sheep Mountain Trail Runs, part of the Human Potential Running Series, takes place near Fairplay, Colorado on the western slope of the South Park Valley. The 12th annual event offers 50-mile, 50k, and Half Marathon distances, with a 16-hour time limit and a 300-runner cap. The start/finish is at the..

The Waldo 100K will take place in Willamette Pass on Saturday 1 August 2026.

Volcanic is Go Beyond Racing’s Mt. St. Helens race in Washington state, offering a grueling 50K+ and a 25K option.The 50K course follows the Loowit single-track to circumnavigate the volcano, featuring large boulder fields, river crossings, the blast zone, and steep, sometimes rope-assisted drainage..

The Skyline 50k Endurance Run will take place in Castro Valley on Sunday 2 August 2026.

Salt and Sulfur 420 is a 420-mile endurance journey from Salt Lake City, Utah, to West Yellowstone. The event blends ultrarunning with personal growth, emphasizing mental fortitude as much as physical stamina. Runners traverse mostly paved roads with about 50 miles of dirt, along a rugged, scenic co..

Larrabee Lakes, part of Evergreen Trail Runs, takes place in and around Larrabee State Park near Bellingham, Washington. The event offers four distances — 50K, 25K, 12K, and a Kids Race — starting and finishing at Fairhaven Park. Runners traverse a mix of Interurban Trail, forest singletrack, and ri..

Buckeye Ultra 200 Mile Road Race is a roughly 203-mile open-road ultra from Walnut Beach on Lake Erie in Ashtabula to Wellsville, Ohio, near the Ohio–West Virginia border. The out-and-back course features lakefront scenery, mountain foothills, Amish country, and post‑steel towns, totaling about 6,00..

Bigfoot 20 Mile Run takes place in Cougar, Washington, starting at Marble Mountain Sno Park on Mount St. Helens. The 20-mile course follows the volcano’s southwestern flank on 100% single-track trails, weaving lava fields, stream crossings, old-growth forests, and high-country terrain.It’s a remote,..

Bigfoot 200, staged in the Cascade Mountains of Washington, is a 200.1-mile point-to-point ultramarathon that starts at Marble Mountain Sno-Park near Mount St. Helens and finishes in Randle, WA. Part of the Triple Crown of 200-mile races, it features about 44,000 ft of ascent and 45,000 ft of descen..

The Dog Days of Summer Trail Race is a multi-event ultratrail weekend in Grandview, Tennessee, raising funds for Flying Pigs Animal Sanctuary. Runners choose 1- or 3-mile loops and can go for 1, 3, 6, 12, or 24 hours, tackling brutal, Barkley-style hills in hot, humid conditions. Each loop starts an..

Black Copperhead Sting is an ultramarathon held in Belmont, North Carolina at Rocky Branch Park. The event offers 50K, 25K, and 5K distances and marks its 8th year returning to the area. The course is a 3.24-mile trail loop with about 293 feet of elevation gain per lap, following Trailhead, Canopy,..

One Step Closer is a summer endurance event held at Lincoln Park in Seattle, Washington. Created by Orca Running in partnership with Evergreen Trail Runs, it features a 2-mile loop that participants repeat for as long as they choose within four options: 3, 6, 12, or 18 hours. All runners finish toge..

Shawnee Hills Trail Races take place at Camp Ondessonk in Ozark, Illinois, inside Shawnee National Forest. The event offers 100 Mile, 100K, 50K, Half Marathon, and a Night 50K, with pacers permitted for the 100-mile and 100K distances only. The course is a figure-eight loop, about 80% single-track d..

The Inferno 5k & 10k, held at Dirt Farm Brewing in Bluemont, Virginia, offers a rugged forest-trail challenge for runners of all paces. The course is a loop behind the brewery, with the 5k completing one loop and the 10k two, featuring steep climbs, exhilarating descents, and technical sections over..

Signal Peak Trail Runs take place near Bear Valley Group Campground, Nevada City, CA, with Emigrant Gap as a reference point. Organized by Sky Breaker Racing, the event offers two distances: 50K and 24 miles. The course is an out-and-back with a loop at the east end that summits Signal Peak for the..

Angeles Crest 100 Mile Endurance Run, held since 1986, is a 100-mile point-to-point trail race from Wrightwood to Altadena in the San Gabriel Mountains north of Los Angeles. Runners tackle steep climbs and rocky terrain along a course ranging from 1,135 to 9,300 feet, preserving much of the original..