Trail Running Calendar United States 2026-2027

An urban event in downtown Los Angeles with a stair climb up 1,664 steps at the U.S. Bank Tower, an Urban Hike past major cultural sites, a Heroes Challenge category, and a virtual participation option.

The Trail Quest Challenge will take place in Naubinway from Friday 25 September 2026 to Sunday 27 September 2026.

The Kingsbury Cougar Mudder will take place in Oxford Township on Friday 25 September 2026. You can run 5 kilometers.

A weekend of obstacle races on 1,200 acres at Badlands Off Road in Attica, Indiana, on September 26 and 27, 2026. Distances include Sprint 5 km, Super 10 km, Beast 21 km and a kids race with obstacles.

A weekend of Spartan obstacle races at Lake Elsinore Raceway on Sep 26 and 27, 2026, featuring Sprint and Super distances, kids races, and timed Hurricane Heat formats. The course uses rugged trails and open terrain near a large natural fre..

A one day mountain trail challenge visiting five peaks around Westmore, Vermont, covering roughly 26 miles and about 6,142 feet of ascent. Staffed water and aid stations appear along the route and morning shuttles run from NorthWoods campus..

Experience the wild beauty of the Southern Colorado Rocky Mountains at Music Meadows Ranch. Choose from several trail distances ranging from 8 miles to 104 miles along the scenic Rainbow Trail.

A community fundraiser at Westchester Lagoon on September 26, 2026, featuring 2K and 5K runs along the coastal trail to support Anchorage School District language immersion programs.

A mountain ultramarathon in Crested Butte, Colorado on September 26, 2026, offered in 35K, 55K and 50 mile distances. Courses run through Gunnison National Forest with single track trails, alpine meadows, cupless aid stations, and on course..

Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.

A 24 hour trail ultramarathon at Hinson Lake in Rockingham NC on a USATF certified 1.5032 mile loop featuring electronic timing, night chem light markings, a 500 runner cap and awards for 24 hour and 100 K finishers.

Experience the rolling hills and dense forests of Pennsylvania at the Marilla Reservoir. This event features off road courses ending at a historic covered bridge with proceeds supporting local trail maintenance and development.

A 3.1 mile trail event at Ascot Hills Park in Los Angeles with chip timing and views of Dodger Stadium and the Hollywood sign. Proceeds support the Wilson High School Fire and Police Magnet Cadet Program and Ascot Hills Park.

A set of trail races at Lake Chabot in Castro Valley offering a Bay Ridge 100k, Firetrails 50 and Golden Hills Marathon with published course and aid station plans, set time limits, UTMB indexing, and finisher awards.

A trail event at Clarkco State Park in Quitman, MS on September 26, 2026 offering 50K, 25K and 12.5K on a 7.78 mile loop with RFID chip timing, aid stations, on-site camping options, medals, shirts, and age group awards.

The Cat's Tail Trail Marathon in Shandaken, NY is a 26 mile point to point trail race through the Slide Mountain Wilderness with about 7,000 feet of vertical gain. The race offers aid stations, post race refreshments, and a 25 percent veter..

The Three Course Challenge is a cross country meet at Camp Rilea north of Seaside, Oregon on September 26, 2026. It features multiple middle and high school courses, chip timing, team lodging, live drum corps performances, and awards.

A charity 5K at Coldstream Park/Legacy Trail in Lexington on September 26, 2026 benefits NICU babies, with an in-person chip timed 5K, a kids 1/4 mile dash, and a virtual 5K option with mailed shirts.

Tough Mudder Colorado takes place at Fort Carson on September 26, 2026. Runners can choose a 15K with 20+ obstacles or a 5K with 12+ obstacles, with spectator and group options available.

Trail races at Deception Pass State Park on September 26, 2026 feature 5 mile, half marathon, and full marathon courses that loop along shorelines, cross the Deception Pass Bridge, and start and finish at Bowman Bay.