Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4199 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

An off-road 3 mile trail through the Bonnet Carre Spillway presented as the 39th annual Spillway Classic. The course follows natural trails and may be muddy; entries include individual and NOTC family options.

A limited field 31 mile supported run from Elizabethtown KY to the Brandenburg waterfront park. Runners must meet ultra or marathon experience requirements and be supported by a crew vehicle with safety signage and lights.

Run a flat, fast course on the scenic paved Ernst Trail through the French Creek valley. Choose between a 15k run or a 5k run/walk, with awards for top finishers and age groups. Event shirts and parking are provided.

Experience the natural beauty of Western Pennsylvania at the Murrysville Monster Trail Races. This event features single track trails, water crossings, and significant elevation across two scenic local parks.

H-F Beast Obstacle Course Dash in Homewood, IL on July 12, 2026 features two age categories with obstacle runs. The event awards finisher medals and t shirts and includes an optional prep course in June.

Annual fundraising trail event at Lost Lake Group Camp near Tonasket WA. Multiple distances from 3 to 11 mile, a free 1k kids run, post race meal, raffle and camping options.

Experience a summer tradition at White River State Park with races ranging from a half marathon to a kids dash. Enjoy live chip-timing, custom medals, and a refreshing treat at the finish line.

Muddy Princess Albany is a 5 km obstacle mud run for women held at Harley Rendezvous Classic Inc. Join this non competitive event focused on unity and empowerment while supporting the fight against breast cancer.

Experience a sun soaked summer challenge at Glass City Metropark featuring a half marathon, 10K, 5K, and kids events. Enjoy chip timed results, finisher medals, and free ice cream at the finish line.

Experience a 6 mile trail run through the Mt. Hood National Forest featuring stream crossings and steep terrain. Enjoy group camping and a post race beer garden at the McCubbins Gulch Campground.

A 5K trail run and walk on Tiger Mountain with an out and back route over unpaved roads and a short cross country section. The event is clothing optional and is sponsored by Tiger Mountain Family Nudist Park.

A 5K trail race on July 12, 2026 at Stillwater Prairie Reserve in Covington, OH, as part of the Miami County Park District Trail Run Challenge. Multiple pricing and series options are offered; no dogs are allowed.

A two lap, 9 mile trail race on Bradbury Mountain State Park featuring hilly technical single track and a three hour cutoff. The field is limited to 160 runners and the event is part of the Bradbury Mountain Trail Race Series.

A 5k mud and obstacle run at Baja Acres near Birch Run in Millington, Michigan in July 2026, with separate kids and adult waves. Participants must bring a signed waiver and adults a photo ID; spectators pay $10 cash for festival access.

Valley Crest Trails in Tarzana, Los Angeles offers a half marathon, 10K and 5K on Mulholland's exposed ridgeline. Expect rolling climbs, broad views and hot, dry mid July conditions.

MSRC XC 5k Classic is a cross country race at Verona Area High School on July 12, 2026. It includes a 5k and a 1.6 mile kids race, team scoring for teams of five runners, and awards across multiple age and team categories.

A 3 km indoor obstacle course featuring 25 plus obstacles, a three band penalty system, timed Elite and age categories, and a listed Elite prize purse of $4,000. The event also serves as a USA OCR Team qualifier.

An obstacle focused 3k OCR with over 25 obstacles, a three band penalty system and chip timing. Age classes run from youth to masters, Elite offers a cash purse and USA OCR team qualification.

This summer series offers Tuesday evening fun runs in Redding, CA. Each week features a different local park or route with two distance options. A punch card registration includes a special 20th anniversary T-shirt.

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

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