Trail Running Calendar United States 2025-2026

Join the Heart of Cool Trail Run in Cool CA for 5k, 10k or trail half marathon on scenic singletrack. Proceeds benefit local youth programs and a scholarship for a child with heart disease; enjoy a post race pancake breakfast.

Explore trails at Lake Hodges in San Diego on October 17 and 18, 2026 at the Trail Festival, featuring trail runs, mountain biking and a new off road run, bike, run challenge. Distances range from kids fun runs to a 50K for seasoned racers.

Celebrate pups and fitness at Paws for a Cause in Denmark WI on Oct 17 2026, with canicross and solo trail runs at several distances. Costume contests, Paw Parazzi photos, vendors and food benefit Crisis Cafe.

Celebrate SPACEROCK Trail Race at Vasquez Rocks on October 17, 2026 with 5K to 14 mile options across technical, rocky canyons and single track. Mark the 10th anniversary with rugged scenery, on course aid, and finisher swag and photos.

Join the Medoc Trail Races at Medoc Mountain State Park in Hollister NC for 5 mile and 10 mile looped trail runs that climb a summit and wind along waterways. Expect rugged single track, aid stations and a festive finish.

Join the Monster Dash 5K trail run at Carolina Beach State Park on Saturday October 17 2026. Celebrate Great Trails State Day, fund youth running, and enjoy scenic trails and community spirit.

Run gravel roads along the Illinois River at Pumpkin Holler Hunnerd, offering distances from 10+ miles to 100 miles and a Gravel Smasher bike event on day two. Expect rolling hills, reliable aid stations, camping and a charity vibe.

Run rugged trails in New Mexico with Gila Endurance Runs offering 50 and 100 mile distances. The iconic Gila 100 returns October 17, 2026, with course maps and past race photos to inspire your entry.

Join the Jaimie Cox Memorial Run in Roscoe IL on October 17, 2026 for a family friendly 5K or 2 mile walk along the scenic Stone Bridge Trail. Run for a cause as proceeds support the Jaimie Cox Memorial Scholarship.

Hit the trails at Pawnee Lake for the Angry Cow Trail Run #3 in Lincoln on October 17. Choose 3 mile, 6 mile or 12 mile routes and enjoy a friendly race day with beanies, medals, snacks and drinks.

Enjoy a scenic 3 mile trail run at Sakonnet Vineyard in Little Compton on October 17, followed by wine, BBQ, live music and a souvenir wine glass. Adults 21 and up get timed racing, a race shirt and a festive post race party.

Celebrate Day of the Dead in Houston with a festive half marathon and shorter distances, plus a costume contest and virtual option. Enjoy music, finisher medals, and a family friendly race atmosphere.

Test your legs on rugged singletrack at Harriman State Park with Big Bear SquaTCh South, a half marathon or 10K on Oct 18, 2026 that supports trail maintenance. Limited to 175 runners, this sold out favorite features steep climbs rocky root..

Scenic Upper Bidwell Park hosts a half marathon with a tough early climb and a downhill finish, plus a 4 mile endurance loop with repeating laps. Aid stations, creek crossings and community fundraising add local flavor.

The Cactus Rose Endurance Trail Race in Bandera, Texas Oct 23 to 25 2026 features distances up to 100 miles with ruck and youth options on a rugged scenic loop. Expect rocky terrain, heavy elevation, chip timing and stocked aid.

Run the Show Me Your Free State Marathon and Ultra in St Joseph Missouri on Saturday October 24 2026 with races from a half marathon to a 100 mile ultra. Enjoy a scenic 25 mile loop along riverbanks and Loess Hills with full aid and camping..

Challenge yourself on scenic trails at the Caspers Trail Races in Caspers Wilderness Park on October 24, 2026. Choose distances 10k to 50k and enjoy rugged singletrack, supportive aid stations and a festive finish line.

Run through Moab's iconic canyons and sandstone domes with sweeping views of the La Sal Mountains in the Canyonlands Ultra. Multiple distances from 15K to 100K on sandy washes and technical trails offer a challenge for every trail runner.

Experience peak fall colors on Wisconsin's scenic Door County roads at The Fall 50, featuring a challenging 50 mile solo option or a fun relay for teams. Enjoy autumn views and community camaraderie on this one day running celebration.

Join Trick or Trail in downtown Hendersonville on October 24, 2026 for a festive 5K or 1 mile Spooky Sprint through historic 7th Avenue and the Oklawaha Greenway. Costumes, medals, shirts and a lively costume contest make it a fun day for a..