Trail Running Calendar United States 2026-2027

Tough Mugu The Tough Mugu is a trail running event offering two distances: a 25 km trail and a 10 km trail. It is part of the Bulldog Challenge Series of races. The event is located at La Jolla Canyon in Point Mugu State Park, Malibu, Calif..

This trail run near Elliston, Montana offers a scenic 15k or 30k out-and-back course. Runners start together along the Little Blackfoot River, crossing wooden bridges to reach Blackfoot Meadows. The longer route includes a climb to the Cont..

Join the Roaring Run Race To The Moon Night 5k in Apollo for a flat out and back walk or run under the stars. Bring a light; buses shuttle from parking on Clifford Ave and shirts are available race day while supplies last.

Test your endurance at the Riverwest Nature Preserve with a looped course challenge featuring a 45 minute lap limit and distances ranging from 5 miles to a 50k ultra.

Trail races at Seeley Creek Nordic Trails in Seeley Lake, Montana on July 18, 2026, with distances from 10K up to 50K across ski trails, singletrack, and Forest Service roads near the Bob Marshall Wilderness.

The third event in the 2026 Capt'n Karl's Night Trail Run Series takes place in Colorado Bend State Park. Runners can choose from a 5K up to a 60K on trails past cliffs, canyons, and waterfalls. A series bundle offers a discount, and a yout..

Take on the Summer Hill league at Ardwhallan Outdoor Pursuit Centre in West Baldwin on Sat 18 Jul 2026, a testing 4.5 km trail with 150 m of climb. Pre entry is required and junior entries welcome for a fun, competitive summer race.

Hit the trails in Casper, Wyoming, for a unique running challenge. Choose a timed 8-mile loop or test your endurance in a Backyard Ultra "last runner standing" format. The course direction changes based on the year, adding a fresh twist to..

Event Details Rudolph's Revenge is a 5K night run held on July 18 at Northwestern High School in Rock Hill, South Carolina. The event is a fundraiser for the Northwestern Cross Country Team. Course The race uses the Northwestern High School..

Tackle the Stagecoach Trail at Powderhorn Mountain Resort. Choose between a steep 5K climb or a demanding 15K that goes up the mountain twice. The registration includes a lift pass, t-shirt, and post-race food.

Run through wildflowers and Aspens along Spring Creek in Steamboat Springs. Choose between a challenging 9.5-mile loop with significant climbing or a rolling 5K out-and-back. This memorial event includes a post-race meal.

This event takes runners on an out-and-back journey along the scenic Keuka Outlet Trail, passing waterfalls and historic mills. The race in Penn Yan, NY is capped at 400 participants and finishes with a post-race celebration.

Two trail distances at Harris Lake County Park on July 18, 2026 combine wide dirt road, open meadows and forested single track with lake views. Limited field, frequent aid stations, chip timing and a free kids Race for Treasure.

Experience an endurance challenge at Mt Spokane State Park. Complete as many miles as possible in 13 hours on a scenic out and back trail to earn your finisher patch or a custom 50 mile buckle.

Run scenic mountain trails around Aspen Snowmass at the Audi Power of Four Trail Run on July 18, 2026. Choose from 10K, 25K or an epic 50K and enjoy challenging terrain, alpine views and Audi supported race day energy.

Join the Hot to Trot event in Griffith Park, Los Angeles, on July 18, 2026. Choose from a 5k, 10k, 15k, or half marathon on a scenic, shared dirt trail. Registration includes a finisher medal, free photos, and a supportive atmosphere.

Join Run With The Wild on July 18 at scenic Seeley Creek Trails in Seeley Lake for community trail runs of 1K, 5K and 10K. Enjoy a free pancake breakfast for participants and celebrate with awards and prize drawings afterward.

This point-to-point mountain journey showcases stunning backcountry terrain in Spanish Fork Canyon. Runners can choose between a 25K or 50K distance on a route featuring high ridgelines and alpine meadows. It finishes in the forested surrou..

Celebrate Christmas in July with this free, 6-hour endurance run in Missouri. Choose between 6-mile and 3-mile loops on shaded trails along the Big Piney River. Prizes are awarded for best costume and most miles, with a post-run cool-off at..

Event Overview The Muir Woods Mountain Challenge is a trail running event offering three distances: a 10K, a half marathon, and a 30K. It takes place at Mount Tamalpais State Park in Stinson Beach, California. Course Details The course begi..