Trail Running Calendar United States 2026-2027

Celebrate a decade of The Big 50 with a point to point journey across the entire Pine Mountain Trail. Runners can tackle the 50K or 25K through Georgia's largest state park, finishing with a community picnic. Shuttle buses connect the start..

Sisters Country offers a 50K and Half Marathon on the trails near Sisters, Oregon. Both courses start and finish at Village Green Park, featuring single-track paths and mountain views. It's a spring event supporting a local high school cros..

Tackle the steep, technical trails of Breakneck Ridge near Beacon, NY. The course features significant elevation, panoramic vistas, and historic paths. Choose from a 42K or 21K distance on this challenging route.

Join the fifth annual Green Traill event in Easton, PA. It features a timed 5K run, a 2-mile walk, and a free Kids Fun Run. The volunteer-led event supports the preservation of Easton Cemetery.

Medved Madness is a spring trail running party in Mendon Ponds Park. Choose from a long or short course trail race, and enjoy a post-run barbecue feast. All adult participants receive a technical t-shirt.

The Pilgrimage is a unique 150-hour ultramarathon in Colorado's high desert. Runners tackle five changing loop sequences, emphasizing solitude and self navigation. The event features separate crewed and uncrewed divisions.

Tails & Trails is a charitable walk/run supporting an animal rescue. The event on May 3, 2026, in Windsor, CA, features a 5K and a Dogwood Dash, with a virtual option also available.

This 50k trail run connects Connecticut's technical Regicides and Quinnipiac Trails. The challenging out-and-back course features significant climbing and a strict 10-hour cutoff. The event does not allow pacers or crews and enforces interm..

Take on the trails at the Hartsbrook School for the Dandelion Dash 5K or the family-friendly Mushroom Mile. This community event supports the school's unique Land Stewardship program. A virtual run option is also available.

A scenic trail run connecting Addison Oaks Park and Bald Mountain on northern Oakland County dirt trails. Choose from a 30K, 15K, or a 4-mile loop, with a new trail section crossing Lake George Road. Registration includes a shirt, headband,..

Experience a scenic 5 mile loop through the natural trails of Lakeside Park in Piedmont. Enjoy chip timed results, finisher medals, and a post race pancake celebration in a beautiful lakeside setting.

Trail races in Lyme, Connecticut offering a 9.2 mile loop and a 3 mile sprint on Mount Archer trails. Chip timed and rain or shine, with 100% of proceeds donated to local emergency services.

Run the forested trails of Napa Valley's Pacific Union College. Choose from 26K, 10K, or a kids' mile, with proceeds supporting college athletics. Remember to bring your own water bottle for this cupless event.

Run a flat, out-and-back course on the historic Great Western Trail. Choose from a half-marathon or 10K distance. Your registration supports local mental health charities.

Join a fun running event in Sugarland featuring 5k and 10k races along the Greenbelt Trails. Enjoy a unique taco making relay and a celebratory post race atmosphere with food and music for the whole family.

Explore the trails at the scenic Frances A. Crane Wildlife Management Area. Choose your challenge with 10K, 20K, or 30K looped courses. This event supports local conservation and community wellness initiatives.

Trail runners take on the scenic and challenging courses of Fountainhead Regional Park. Distances include a half marathon and a 10K, featuring the Bull Run Occoquan Trail and notable hills. The event also hosts the Collegiate Running Associ..

The Spring Stampede is a 5k/10k trail race in Wildlife Prairie Park. The courses loop through the park on trails, with the 10k offering a more challenging second half. Park admission is included with entry.

Hit the trails at the Millican Reserve for the Hog Crazy Trail Run. This event offers multiple distances on single-track mountain bike paths and supports the Lone Star Running Project. Runners can expect aid station snacks and a commemorati..

An annual 10K trail event in Glendale with a climb to 2,536 feet and panoramic views of the L.A. Basin and San Gabriel Mountains. Produced by the City of Glendale and benefiting the Glendale Parks and Open Space Foundation.