Trail Running Calendar United States 2025-2026

Patapsco Valley 50K is an annual ultramarathon held near Baltimore, MD, with race headquarters at CCBC-Catonsville. The in-person event offers a 50k and a 25k, plus virtual options, set on a scenic, historic, well-marked trail course through Patapsco Valley State Park. The race features five aid sta..

The Thorne Head Trail Run is a community-focused 4k trail race held at Thorne Head Preserve in Bath, Maine. Hosted by the Kennebec Estuary Land Trust, this event features a mix of fun single-track and wider trails with scenic water views. Designed to be inclusive for both first-time trail runners an..

Run the Chessie is a USATF-sanctioned trail running festival in Lexington, Virginia, with events on the Chessie Nature Trail along the Maury River. The lineup includes a marathon, half marathon, 10K, 5K, and a 26.2 Relay. The trail is a smooth gravel-grass surface with gentle grades, running entirel..

The Grills Trail Run, hosted by the Westerly Track & Athletic Club, takes place at Grills Preserve in Westerly, Rhode Island. Scheduled for October 25, 2025, it features two race distances: a 10-mile and a 10K. Both courses start and finish at Grills Preserve, showcasing scenic trails with about 80%..

Laps For Love Backyard Ultra is a charity endurance event held in Wichita, Kansas, at Sedgwick County Park’s Horseshoe Shelter (ZIP 67205). Runners tackle a 4.167-mile loop on an hourly basis, with the field competing in a last man standing format until only one participant remains. The race emphasi..

Georgia Sky to Summit is a fall trail race in Sky Valley, Georgia, offering two distances: 50K with 7,500 feet of gain and an 11-hour cutoff, and 25K with 3,500 feet of gain and a 5.5-hour cutoff. Both start and finish in Sky Valley, winding through surrounding mountains, past waterfalls and up to R..

Casper's Trail Races on Oct 25, 2025, take place in San Juan Capistrano, California, offering trail distances: 10K, 13.2 miles, 30K, marathon, and 50K. The event, hosted by KHraces, aims for a well-supported, well-marked experience with swag, highlighting Orange County’s fall trail atmosphere. While..

Canyonlands Ultra, held in Moab, Utah, is part of Mad Moose Events’ Run Moab Series. The weekend features multiple distances: 15K, 50K, 50M (50 Mile), 100K, Marathon, and Half Marathon. The course showcases Moab’s iconic trails with sandy washes, technical double-track sections, and sweeping views o..

Haunted Hills 10K, held in Redwood City, California, blends Halloween fun with a competitive run on October 25, 2025. Runners choose the 10K or 5K course, weaving through neighborhoods decorated for the season. Participants form teams of 1–5 and carry headlamps or flashlights.It's trick-or-treating..

Womp Romp Trail Race is held in Hingham, Massachusetts at Wompatuck State Park (South Field). It offers a 50K (three loops plus a mile) and a single-loop 10-mile option. The course blends single-track, wide trails, and some pavement, with about two miles of pavement per loop.It’s a cupless race, so..

Run With Scissors is a running event held in Boston Township, Ohio, featuring a half marathon, full marathon, and double marathon. The race starts at Kendall Lake Lodge and courses through the scenic Cuyahoga Valley National Park. The half marathon follows an out-and-back route, while the full and d..

The Last Cowboy Backyard in O’Neill, Nebraska, is Ultraverse Supplements’ first Backyard Ultra. The course follows the flat, non-technical Cowboy Trail as an out-and-back, starting and finishing at the O’Neill community center. Each lap is 4.17 miles and starts on the hour with all runners beginning..

Gate2Gate Trail Run takes place in Alachua, Florida, starting in the northern area of San Felasco Hammock Preserve State Park outside Alachua. The event offers 50K and 25K courses. Runners begin on single-track trails in the park’s northern section, then transition to double-track hiking trails in t..

McNotagain Fall Trail Runs takes place at McNaughton Park in Pekin, Illinois, offering distance options: 3.5 miles, 10 miles, 30 miles, and 50 miles. In a flat Central Illinois setting, the course features the same full 10-mile loop run in reverse, providing a fresh perspective while preserving fami..

Camp Challenge 5k Trail Run unfolds in the wooded hills of southern Indiana near Bedford. The 5-kilometer course traverses rugged, forested terrain with steep inclines and thrilling descents, testing endurance amid natural beauty. The event blends challenge with a mission: all proceeds fund scholars..

Located at Schenck Forest near NC State along Reedy Creek Rd in Raleigh, the Schenck Forest Trail Race is a 6.2-mile run on single-track trails through creeks and rolling hills adjacent to Umstead Park. Racers wind through the Carl Alwin Schenck Memorial Forest, a 245-acre teaching and research fore..

Hilloween is a festive 5K trail run and Keiki Trick-Or-Treat Run held annually at Omao Dirt Track in Koloa, Hawaii. The 5K course features off-road terrain with spooky hills, creepy obstacles, and scenic views of Kauai’s south shore, encouraging participants to wear costumes, with prizes awarded for..

Halloween Havoc Half Marathon is a Halloween-themed night trail race held at Oak Mountain State Park in Pelham, Alabama. Distance options are 13 miles or 6 miles, run as loop courses through hills, single-track, and jeep roads. The 13-mile course has one full aid station at halfway; the 6-mile has a..

The Suttle Lake Trailfest, held near Sisters, Oregon, is a scenic endurance running event featuring 24-hour, 12-hour, and 6-hour races on a 3.6-mile loop trail around Suttle Lake. The course offers a well-maintained, non-technical trail with a soft forest floor and gentle elevation gain of 110 feet..

Firewater Ultra takes place in Greenback, Tennessee, along the East Lakeshore Trail on Tellico Reservoir. Distances include a 100K; a 50K with Sunrise and Sunset variants; a 50K Relay; and a new 25K Ruck. The course uses the end-to-end Tellico Lake trail system: the 100K runs out and back the full l..