Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4199 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Support veterans by participating in the Patriot Power 5K in Reading or virtually from any location. Every runner receives a shirt and finisher medal while contributing to Team RWB programs for military members.

Trail races at Dimple Dell on April 29 and June 3 offer a 5.1 mile and an 8.4 mile route. The event is cupless so runners should bring a bottle or pack; parking is limited and some lots are a short jog from the start.

A women's trail running camp on the Eastern States course offering guided group runs over more than 50 miles and 9,100 feet of climbing across a weekend, with lodging, meals, and transport included.

A spring trail running series in Reno from April 30 to May 21, 2026, offering evening training runs on local trailheads. Routes are about 5 to 8 miles, with snacks, raffles, and Nike demo shoes; registration opens April 21 and is free.

A recurring morning trail run in the Fells for women and nonbinary folks. The group runs a 3 miles loop at a comfortable pace of about 11 to 12 minutes per mile; steady rain or thunder cancels.

May 2026

Races at the Bonneville Salt Flats near Wendover, UT, offering ultradistances plus a 5K and new 10K. Courses run across salt, mud-flats and the "Islands" with aid stations and a common start/finish at the speedway.

WausaUltra at Sylvan Park in Wausau features a 4.167 mile mostly trail loop offered as a Limitless backyard event, Solo, Double, and a free kids race over May 1 to May 3, 2026.

A multi-distance trail event in Los Padres National Forest near Ojai, CA, on May 1 to 3, 2026, offering distances up to 100 miles with large elevation gains and a 150-entry limit; qualifying requirements apply for the longer races.

A 100 mile loop ultramarathon around Lake Cuyamaca with mostly single track, about 15,400 feet of climbing and a 32 hour limit. Offers crewed and Solo divisions and requires recent race qualification plus volunteer or donation service.

A trail event near Riggins, Idaho with a 53K ultra, a 26K loop and an uphill-only vertical to Challenger Peak. The 53K includes roughly 13,000 feet of climbing while the 26K offers about 6000 feet of elevation gain.

Run or walk a 5K trail race under the Flower Moon at Brandywine Creek State Park. This inaugural event supports local trail nonprofits and finishes with a moonrise celebration featuring s'mores and lawn games. Leashed dogs are welcome to jo..

A GPS-timed trail series in Draper, UT from May 1 to October 31, 2026, featuring ten 5k and five 10k courses via Ridewithgps, leaderboards, and post-series awards, shirts, and medals.

A community 5K trail run and a reunion dinner supporting SCAD research in Maplewood and St. Paul, featuring a park trail Fun Run Walk, an evening presentation by a Mayo Clinic researcher, vendors, volunteers and sponsorship opportunities.

A community fun run at MAP Brewing that supports local Gallatin Valley running clubs; $20 registration proceeds are split evenly among participating organizations. The loop course circles the pond and connects to Glen Lake Rotary Park trail..

A half marathon along the southern Jordan River Parkway, taking runners past parks and Thanksgiving Point up toward South Mountain foothills; the event offers marked trails, aid stations, free photos, a post-race breakfast, and finisher med..

An ascent-only hiking challenge at Sam A. Baker State Park where participants climb Mudlick Mountain eight times to total about 21 miles and 7,980 feet of elevation, with shuttles, aid stations, and an optional evening Spark of Strength cer..

Trail races at Grayson Highlands State Park on May 2-3, 2026 offer four distances across mountain terrain with wild ponies and published aid station details. Distances include 50 mile, 50k, 25k, and 8 mile with climb and cutoff information.

A trail race at Donald County Park in Mount Horeb on May 2, 2026, offering 5 km, 15 km and a Kids One Mile Fun Run; chip timing, aid stations, awards, and proceeds benefit Friends of Donald Park for trail maintenance.

TutHell 50K in Sioux Falls has runners complete 100 laps of a 0.31 mile loop up and down Tut Hill. Entry is by essay selection and a free will donation supports charities, with a fully stocked aid station at the hilltop.

Experience a unique 6 mile road race across the New River Gorge featuring 1,300 feet of descent and climbing. Enjoy closed roads, breathtaking park views, and a post-race brunch overlooking the river.

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