Trail Running Calendar United States 2026-2027

Tiger Claw tests runners on the steep trails of Tiger Mountain. Options include a vertical ascent, a rugged 50k with three climbs, or a team relay. Tackle the challenging Pacific Northwest terrain.

Experience off road running through the Pere Marquette Forest in Northern Michigan with distances ranging from 5K to 100K. All races start and finish at Timber Ridge Resort and feature professional timing and post race festivities.

The Tejas Dirt Festival is a trail sports event on May 8-9, 2026. It is held at Camp Eagle in Rock Springs, Texas. The location is described as the adventure capital of Texas and is a couple of hours from San Antonio and a few hours from Au..

Experience a team trail relay across 124 miles of red dirt paths and singletrack near Zion National Park. Enjoy a festive village atmosphere with camping and premium amenities under the stars.

Experience a riverside trail event in Valley featuring 12 hour and 6 hour endurance challenges or a scenic 5K run. Enjoy a supportive atmosphere with unique finisher awards and $100 prizes for new course records.

The Tick is a rugged 57.41-mile wilderness adventure on the Florida National Scenic Trail through Ocala National Forest. Crew support is mandatory for this point-to-point, no-frills ultramarathon. Participation is free but capped, with a su..

The Valkyrie Trail Race is a women's trail running event in Cheyenne Mountain State Park. Choose from six distances, from 4 miles to 50K, on courses with meadows, singletrack, and technical paths. Registration includes park entry, a shirt,..

This 36th annual trail run starts at Stinson Beach and climbs into the iconic redwood forests of Muir Woods. Choose from marathon, half marathon, or 7-mile distances on a course featuring wooden ladders, staircases, and panoramic views. The..

Experience the largest undeveloped nature preserve in Cook County on these wide horsetrail courses. Choose between a full marathon or a 10 mile run featuring significant elevation gains and a supportive two way traffic layout.

A technical trail race on the Wapack Trail in Ashburnham, MA on May 9, 2026, offering 21.5, 43 and 50 mile options over rocky single track and significant elevation. Registration is limited, manually timed, and nonrefundable.

Run or walk through conifer forests and along coastal bluffs in Point Arena. This sustainable 5K trail event supports local environmental education and youth stewardship on the Mendocino Coast.

Experience USATF certified courses through Cape Henlopen State Park and historic Fort Miles. Choose between running, walking, or a heavy march to support veterans in this scenic Delaware event.

Set in the high-altitude Jemez Mountains of New Mexico, this nonprofit trail run offers three challenging distances on technical terrain. Participants receive unique local pottery and enjoy community meals. Be prepared for steep climbs and..

Discover a trail running gem within Philadelphia at the Dirty German Endurance Fest. Runners explore the shaded, scenic paths of Pennypack Park on a mix of single-track and gravel trails. The event offers three distances, unique German-them..

Run a scenic 5k at Boone Hall Plantation to support Southern Paws Animal Rescue. You can save on registration by donating pet food. This annual event happens rain or shine.

Run for a cause at Oak Mountain State Park. Choose a 10K, a 12-hour endurance challenge, or a free kids' half-mile run. All events support Smile-A-Mile's work with families facing childhood cancer.

Join the 10th annual trail run at the Crystal Lake Outdoor Center. Choose from a 5k or a 25k on scenic cross-country trails. All proceeds support the non-profit center's operations.

Adventure Fest is a weekend festival of outdoor sports in Fruita, Colorado. It features a trail half marathon, mountain bike races, and a gravel challenge, plus camping, clinics, and family activities. The event culminates with a two-day en..

Experience the scenery of Tilden Regional Park at the Grizzly Peak Trail Run. Choose from various distances including a 50K and marathon starting from the shores of Lake Anza in Berkeley.

Explore the trails of Bainbridge Island. This May event offers 10K and 5K courses through Battle Point Park, the Forest to Sky Trail, and the Grand Forest, plus a Kids Fun Run. All proceeds support local trail development.