Trail Running Calendar United States 2026-2027

A multi-day timed running festival at the Sussex County Fairgrounds featuring a certified 1.000 mile loop, multiple timed race durations, certified marathon and 50K options, on-course timing display, aid station kitchen, camping and RV faci..

A weekly trail running series at Catamount Outdoor Family Center in Williston, VT offering 2.5 km and 5 km courses plus a Cubbies category for ages 5 and under; races run rain or shine with clear thunder and bib policies.

A four-date series of 10K trail runs in the Pickall Area of Patapsco Valley State Park from May 6 to May 27, 2026, with running time results and options to enter single dates or the full series.

Evening trail races at Soldier Hollow in the Heber Valley foothills with two measured courses, on-site food vendors, and water available only at the start and finish. Registration occurs Friday evening before race day.

A Missoula trail weekend on June 7 with a 13.1-mile mountain half and a 6.2-mile 10K, cupless aid stations, capped fields, and virtual options running May 14 to June 23.

A spring trail running and walking series at Great Glen Trails in Gorham, NH running May 14 to June 18, 2026. Courses of 5 km, 3 km and 1.5 km are offered, with series and one time entry fees and leashed dogs permitted.

This 104-mile ultramarathon traverses the Chattahoochee National Forest with 33,000 feet of climbing. It qualifies for major lottery races and has strict entry requirements for experienced trail runners.

Out-and-back ultramarathon courses in and around Kanab, Utah, with **115 miles**, **50 miles** and **50 km** options across sand dunes, red-rock canyons and plateaus. Aid stations offer food, drinks and limited sleeping; cutoffs range from..

Experience a high desert ultra across the rugged red rock canyons and sandy plateaus of southern Utah. Choose between 115 mile, 50 mile, or 50 km distances in this sanctioned event starting and finishing in Kanab.

Trail running event in Rothrock State Forest and Happy Valley, Pennsylvania. Races include a 50K and 25K with notable elevation gain amid sandstone ridges and rhododendron tunnels in mid May 2026.

A three day stage trail race in Wildwood, Missouri from May 15 to 17, 2026. It covers roughly 21 miles, 26 miles and about 25K across Rockwoods and Greensfelder trails with creek crossings and scenic bluffs.

Three trail races in Richmond across Belle Isle and the James River waterfront: a chip timed 5K, a 10K through riverfront trails, and a 13.1 mile urban single track half marathon with riverbank terrain and skyline views.

A family friendly 5K fun run at Leach Park on May 15, 2026 with a finisher medal, optional foam machine and on site bounce house. Proceeds support Strides for Sunnyside Run Club and shirts are $10.

Obstacle-course races run May 16 and 17, 2026 at Reveille Peak Ranch near Burnet, Texas. Courses move through Texas Hill Country across granite outcrops, dry creek beds and rolling hills with Sprint, Super, kids and endurance formats.

A two-day Spartan Trifecta Weekend at Big Bear Mountain Resort featuring Sprint, Super and Beast obstacle races at high altitude with long climbs and descents; kids races and spectator access are also available.

Trail race at Palisades Park in Oneonta, AL on May 16, 2026 with 5K, 10K, 15K and 20K options. Climbers who sign a waiver can retrieve a finisher medal at the tower; proceeds support OHS Cross Country and Palisades Park.

Trail runs at Skyline Wilderness Park in Napa offer distances from 10K to 50K with steep Rim Rock climbs and valley views. Aid is touchless and parking is included with registration.

A rural ultramarathon in Enterprise, KS featuring 50K, 100K and a 100 Mile race on gravel roads and a rail trail with a manned aid station per loop. Pacers allowed from loop 6; shirts, awards, and finisher buckles are included.

A Last Person Standing ultrarun on a farm near Arena, WI, run on a 1 to 1.25 mile loop with about 250 to 300 feet of climbing per lap. The course changes yearly, reverses every four hours, and continues until one runner remains.

A Spartan obstacle weekend at Southington Off Road Park near Cleveland with races from a kids course to a 50 km Ultra across wooded, rugged trails. The Trifecta option allows completing Sprint, Super and Beast in one weekend.