Trail Running Calendar United States 2026-2027

A technical trail event at Franklin Creek State Natural Area offering 5K and 10K courses with multiple creek crossings and forested, hilly terrain. Proceeds benefit the Franklin Creek Conservation Association.

Trail races at the 1600-acre Six-O Ranch in Cleburne, Texas offering 50K, marathon, half marathon and 6-mile courses across single track, dirt roads and open fields. Primitive Friday night camping and paid parking onsite.

A 40 mile point to point mountain ultramarathon from Crested Butte to Aspen across the Elk Mountains with over 6,000 feet of climb, organized as a fundraiser for Crested Butte Nordic and requiring specific backcountry gear.

A mountain trail race at Arapahoe Basin on September 5, 2026 covering 9.4 miles and 2,211 ft of vertical. The marked course uses established trails in White River National Forest and finishes in Mountain Goat Plaza with live music and food.

Test your endurance at Pineland Farms in Maine with this backyard ultra trail race. Run a 4.2 mile loop through pristine wooded trails and see how many laps you can complete in this last person standing format.

An alpine trail race in Taos Ski Valley offering two half marathons, a full marathon with more than 7,000 feet of climbing to Kachina and Fraser Peaks, and a new 10K that gains about 2,000 feet on mixed road and singletrack.

Experience a scenic 3.3 mile trail run or hike through the Oswegatchie Hills Nature Preserve. Support local land conservation while enjoying a timed course around Clark Pond followed by an awards ceremony with refreshments.

Trail Animals Running Club hosts a multi distance trail event at Great Brook Farm State Park on September 5, 2026. Looped 10K and 10 mile courses cover distances from 10K to 50 miles, plus a youth fun run and a Yeti Mischief Mile.

The The Sneffels Round will take place in Ouray on Saturday 5 September 2026.

Trail races in Pine Valley, California on September 5, 2026 offering 50 kilometer and 15 kilometer options. Both races have fixed cutoffs, marked trails with frequent ribbons, staffed aid stations, and specific rules for pacers, crews, and..

A trail ultrarun on a 25 mile loop at Camp Tuscazoar offering distances from 25 mile to 100 mile, cupless aid stations, drop bag support, night start options, pacer rules, and published cutoff windows.

A timed 4 hour and 8 hour trail endurance event on a 3.15 mile loop at Cedar Bend Park near Waverly, Iowa on September 5, 2026. Laps count only within the time limits and a main aid station serves the start and finish.

A six hour timed night trail event at Franke Park in Fort Wayne where participants complete as many full laps as possible on a loop of paved path, gravel and single track. Lap counts are recorded on a whiteboard and electronically.

A Backyard Ultra at Sedgwick County Park with a 4.167 mile loop repeated each hour until one runner remains. One hundred dollars from every registration supports Family Promise of Greater Wichita.

Experience an off road adventure at Panther Creek State Park featuring half marathon and 10K trail distances. Run through wooded loops and scenic lakeside paths in this established Tennessee trail series event.

Muddy Dash Pittsburgh on September 5, 2026 is a 5K mud run at Switchback MX featuring obstacles, mud pits and slides, plus pre- and post-race music and food. Family friendly with standard and VIP registration options and a buy one give one..

Experience a unique trail race at Camp Manatoc featuring technical single track paths normally closed to the public. Run the half marathon 15k or 5k distances through wooded terrain with special permission to bring your dog along.

A rural ultra in Booneville, Iowa offering 10K, 50K, 100K and 100-mile options, with marked ultra courses, cue sheets required, and limited crew support on course.

Experience a scenic trail race through Camp Mt. Luther with 5k and 10k double loop options. This event features a kids fun run, finisher awards for all participants, and supports a local cause in memory of Rev. Glenn Heasley.

Trail races in Montour Woods Conservation Area offering Half Marathon, 20 Mile and 50K on twisty singletrack with significant elevation and regular aid stations. Proceeds benefit Hollow Oak Land Trust.