Trail Running Calendar United States 2025-2026

Push your limits at the Valley Falls 6 and 12 Hour, a timed challenge on a scenic loop through rugged trails and waterfalls. Enjoy stocked aid stations, local artist shirts, and support for Innocent Lives Foundation.

Join the Valkyrie Trail Race on May 9, 2026 at Cheyenne Mountain State Park for a women focused day of stunning singletrack, rocky descents and springtime views. Distances from short runs up to 50K ultramarathon welcome all levels.

Run from Stinson Beach into the towering redwoods of Muir Woods on a scenic, rugged trail with ladders, stairs and scrambling sections for an adventurous challenge. Limited to 300 runners, this intimate race on May 9 2026 offers marathon, h..

Run scenic trails at Teason's Woods in Palos Hills on May 9, 2026 with marathon or 10 Mile options over rolling terrain and shared two way trails. Enjoy event apparel, a wooden sunflower medal for finishers, plus post race chili and beer.

TARC Wapack and Back is a scenic, rugged trail race in May on the Wapack Trail between Massachusetts and New Hampshire, offering 21.5, 43 and 50 mile options. Expect technical terrain, big climbs, limited aid, and a tight knit trail communi..

Run or walk the Waves & Whales 5K on the Mendocino Coast in Point Arena, following bluffside trails through pine and cypress forest. Proceeds benefit student coastal stewardship and entrants get an organic cotton tee and handmade medallions..

Join Race4Warriors in Lewes on May 9, 2026 for 5K, 10K or half marathon courses through Cape Henlopen, Fort Miles and Rehoboth Beach. Support Wounded Warriors and homeless vets while enjoying exhibits, live music and finisher medals.

The Jemez Mountain Trail Runs is an annual trail running event held in May in the Jemez Mountains, New Mexico. It features three race distances: 50 miles, 50 kilometers, and 15 miles, catering to a range of trail runners. The event is known..

Tackle rolling hills and scenic single track through hardwood forest at Camp Caraway in the Northern Uwharrie Mountains. Choose 5K or 10K, enjoy chip timing, medals and trophies, and help fund camper scholarships.

Run the Dirty German Endurance Fest in Philadelphia on May 9, a figure 8 ultra through shaded Pennypack Park with 25K, 50K and 50 mile options. Enjoy creekside trails, live accordion music at finish plus German prizes and finisher swag.

Run the Southern Paws Animal Rescue 5k at Boone Hall Plantation in Mount Pleasant to support abused and neglected animals. Pay entry or bring a bag of pet food to get $10 off and make a difference.

Run the scenic cross country trails at Crystal Lake Outdoor Center's 10th Annual Trail Race on May 9. Choose a 5k or 25k and help support trail maintenance and center operations as proceeds benefit the nonprofit.

Adventure Fest at 18 Road in Fruita CO on May 9 to 10, 2026 is a weekend of mountain bike, gravel and trail running action with camping and a lively community vibe. Bring the crew for clinics, kids races, guided trips and evening awards.

Run scenic single track and dirt roads around Lake Anza in Tilden Regional Park, Berkeley, with distances from a family friendly kids dash to a tough 50K. Pre registered runners get shirts, all finishers earn custom medals and aid stations..

Run wooded trails through Battle Point Park and Grand Forest at the Trillium Trail Run on Bainbridge Island. Pick 5K, 10K or a kids fun run while supporting the Trails Connect Bainbridge Island campaign to build and maintain local trails.

Run scenic trails at Independence Oaks County Park around Crooked Lake with options for 2.3 mile, 5K and 10K routes. Enjoy chip timing, a performance shirt, finisher medal and post race refreshments for a fun day outdoors.

Join the Trail To Recovery 5K and 1 Mile Run/Walk on May 9, 2026 in Norman, OK for a scenic community trail run that raises funds for local recovery and mental health programs. Expect medals, shirts, and a family friendly park course.

Join the 30th Paiute Meadows Trail Run in Susanville, California on scenic single track through pine forests, meadows, climbs and water crossings. Distances from 1 mile kids to 50K and community staffed aid stations welcome runners of all l..

Running with My Gnomies at Camp Tuscazoar offers scenic trail routes of 50K, 25K and a 9ish option through rolling camp hills. Enjoy single track trails, aid stations, a cupless policy and a playful gnome finisher medal.

Popple Shoot Trail Races in Minong, Wisconsin on May 9, 2026 offer trail runs from 10K to 87K across the scenic Wild Rivers Trail and ATV routes. Choose your challenge and enjoy rugged singletrack, supportive aid stations and campground fin..