Trail Running Calendar United States 2025-2026

We have found 2658 Trailruns in United States. Check below where and when you can find the races.

Into the Darkness Night Trail Run is the Roanoke Valley’s night-time trail race, returning for its 19th edition on October 25, 2025. The event starts and finishes at Explore Park, Roanoke, VA, with a new course this year. Runners cover about 3.6 miles, beginning with a 0.25-mile asphalt section befo..

The Santa Cruz Island Eco-Extreme Trail Half Marathon is a challenging 13.3-mile trail race held on Santa Cruz Island in Channel Islands National Park, California. Organized by the Ventura County Sheriff's Search and Rescue Upper Ojai Team, this rugged course features steep hills, creek crossings, a..

The Quail Trail 5K is a certified 5,000-meter cross country race held at the historic Pebble Hill Plantation in Thomasville, Georgia. The course features a challenging, hilly terrain with diverse running surfaces including pea gravel, grass, dirt, red clay, and asphalt. This event supports the Pebbl..

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..

The Battle at Big Creek is an annual trail running event hosted by Dirty Spokes Productions, taking place at Big Creek Trails in Roswell, Georgia. Participants can choose between two distances: 9.4 miles or 5.0 miles, offering a challenging course that includes a mix of single and double track trail..

Oakland Hills Trail Run takes place in Redwood Regional Park, Oakland, CA, offering 35K, half marathon, and 10K distances through a coastal redwood forest and surrounding foothill habitat. The course comprises mostly technical dirt trails and non-technical fire roads with significant elevation gain..

Autumn Leaves 50M/50K/30K takes place in St. Paul, Oregon, at Champoeg State Heritage Area. It offers 50‑mile, 50‑km, and 30‑km races, plus a Kids Run.The course uses a 10K loop: 80% paved bike path, 20% dirt single track; flat with small rollers and built for speed, runnable in road shoes. Headlamp..

The Mighty Montour 4-Miler, hosted by the Bloomsburg Area YMCA, takes place in Danville, Pennsylvania. The 3.9-mile loop circles the Montour Preserve along the Chilisuagi Trail, with a mix of grass, gravel and forest flooring. Runners enjoy a scenic, wooded course through the preserve, designed as a..

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 Trick or Treat Trail Run 10K, held annually in Sioux Falls, South Dakota, takes place at Pasley Park along the scenic Big Sioux River bike path. This festive event offers a 10K run, a 5K run/walk, and a Candy Dash for children aged 3-10, featuring a 0.5-mile course. Participants enjoy a fun, fam..

The Race the Base Trail Run is a 4-mile competitive trail race held at Pinnacle Mountain State Park in Roland, Arkansas. The course features a scenic loop around the base of Pinnacle Mountain, combining gravel, paved trails, and 2.75 miles of technical single track. A notable challenge is "Joe’s Rev..

Lake Murray Endurance Run, held annually in late October at Lake Murray State Park near Ardmore, Oklahoma, offers five trail distances: 5 Mile, 25K, 50K, 100K, and 100 Mile. The race center is Tipps Point at Duke’s Forest area within the park, which spans 12,500 acres and more than 30 miles of trail..

Legends Of The Valley, staged at Valley View Nature Preserve in Milford, Ohio, is a nature- and history-themed trail-running event featuring three races: Arrowhead Trail 5K (individual or team cross-country), Mastodon 2-Hour Endurance Race (relay on a 1.5-mile loop for 2–6 runners, no distance cap),..

Krug Castle Challenge is a castle-themed running event held at Krug Park in Saint Joseph, Missouri. The weekend offers four options: the Measly Mile, Krug Castle Kinda 5k (three loops = about 4.08 miles), Krug Castle 10K, and the full Krug Castle Challenge—Go all the way. The course loops the park w..

The Crozet Trails Crew 5K/10K Trail Run + Family Fun Run is a fundraiser in Crozet, Virginia hosted by the Crozet Trails Crew. The course starts and ends at Crozet Park, following rustic trails east of the park with roots, rocks, and ruts. Distances include Trail 5K, Trail 10K, and a Family Fun Run;..

The Legend Trail Run invites runners to Sleepy Hollow State Park on October 25, 2025, offering 5 miles, 10 miles, or 13.1 miles. The park covers 2,600 acres of hardwood forest, prairie grassland, and includes the 410-acre Lake Ovid, delivering a scenic woodland-and-lake setting. The course is mostly..

Summit 50/50 is a trail ultramarathon presented by Reluctant Runner Racing at Allegany State Park’s Red House Area in Salamanca, New York. Now in its third year, the event offers three distances: 50 miles, 50K, and 25K. Runners traverse a looped course of about 16 miles that combines groomed trail,..

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Tussey Mountainback Race Weekend in Boalsburg, Pennsylvania, is an ultrarunning festival (Oct 25–26, 2025) offering the Tussey Mountainback 50-Mile Ultramarathon and 50M Relay, plus a 50K, half marathon, kids’ run, and a 100-mile ultramarathon. The 50-mile course is a USATF-certified loop on mostly..

The Rubicon is a very difficult, remote on- and off-trail foot race set in the backcountry of the northwestern Sierra Nevada, near Oxbow Reservoir, California. It offers three route options: The Requisite (15+ miles, about 6,700 ft of gain, 3 hill climbs and 2 water crossings); The Resonant (30+ mil..

Greensprings 24 is a 24-hour endurance race held in Williamsburg, Virginia, at the Greensprings venue (3751 John Tyler Hwy). The course is a USATF-certified 2.215-mile loop on crushed gravel, mostly flat and scenic, with a non-technical profile. Runners can complete full loops to reach targets such..