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Trail Running Calendar United States 2026-2027

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Explore the best trail runs in the United States for 2026-2027! Our updated list features 3911 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!

August 2026
A nighttime three hour loop race at Roundtop Mountain Resort featuring a 1.5 mile loop with 600 feet of climbing and a separate kids race.
A community cross country style event at Lussier Stadium in Madison featuring a 5 km run and a 1 mile walk; established as a memorial and serving as a fundraiser for LaFollette High School middle school feeder schools.
Loop based endurance event at Busse Woods on August 15, 2026 offering repeated 3.1 mile laps over smooth crushed limestone and packed gravel. Distances range from 5K to 50K with a central aid station and open loop format.
Continuous 3.1 mile loop at Busse Woods near Elk Grove, IL offering 40 and 50 mile options with a fully stocked aid station every lap and a 12 hour cutoff. Runs alongside The Next Loop series but is scored separately.
A timed 5k and 10k on a 100% trail course in Rincon, GA, open to runners and walkers. Each participant receives a shirt and a die cut finisher medal.
A day of timed endurance challenges on a wooded 2.62 mile loop at Tilden Hill Farm in Verona NY. Events finish with an optional pond plunge and a post event celebration with medals and awards.
A USATF MUT sanctioned uphill race at Arizona Snowbowl covering about 11 miles of ascent to the summit, limited to 150 runners with on course aid stations and summit awards.
A cross country season opener at the University of West Georgia with middle school, high school and community races, community fundraising through Carrollton Kiwanis, and awards for individual and team results.
A memorial 5K in Seward, Alaska honoring Dan Seavey, organized by the Iditarod Trail Blazers and Seward Sports and Recreation. Four race categories, dogs allowed on leash, and a post race celebration at the Branson Pavilion.
A night trail event on August 15, 2026 at Eagle Creek Park offering half and quarter marathon distances. The 13th annual run includes a disco ball atmosphere and Krispy Kreme donuts at the finish.
Trail races at Oakes Quarry Park in Fairborn offering a 1.55 mile fun run plus 5K, 10K, and 15K lap formats through limestone cliffs and wooded trails.
A family friendly 5K on the Webb Forest trails organized by Wilmot Learning Place, featuring a signed course, water stations, timing for runners, post-race recognition, and nearby parking with overflow at local fields.
A community run on the Lamoille Valley Rail Trail from Oxbow Riverfront Park on August 15, 2026, with an out and back course to the 1.5 mile turnaround, aid at the turn, post-race refreshments, and awards for top three finishers in each category.
Inaugural 10K trail race on the Cedar Flats system near Columbia Falls, Montana with proceeds supporting Gateway to Glacier Trails.
Timed 8 hour, 6 hour, and 3 hour endurance runs on a paved 0.78 mile loop around Dottie West Park in McMinnville with aid station food, restroom access every lap, and proceeds donated to Relay For Life.
Alumni cross country meet in Chicago Heights on August 15 2026 using the old 2 Miles course with decade-based teams, chip timing and place-based scoring.
A four-race mountain trail series at Solitude Mountain Resort, running August 15 to October 3, 2026, with progressive distances and alpine post-race amenities.
Two days of mud and obstacles in Moorpark on a 5K course with 15 major obstacles, rinse stations, and a Basecamp area with food trucks, vendors and music.
A Grand Opening at The Course Spokane Valley featuring a youth 3K, men’s and women’s 5Ks plus food trucks and community activations.
A 5k run and walk on Milton State Park Island in Pennsylvania with an off road cross country style course, tiered pre registration and race day fees, and an awards ceremony with prize drawings.
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