Trail Running Calendar United States 2026-2027

Run scenic backcountry singletrack through the Underdown Trail system in Merrill, WI with 60k, marathon, and half marathon options. Small fields, stocked aid stations, a custom finisher mug and a lively post race party with music, food, and..

Take on the TUFF ENUFF Trail Run in Woodway TX on August 15, 2026, with scenic 5K and 10K trail options and a finisher medal for all. Part three of the Huaco Cuatro Trail Run Series, this race delivers rugged fun for all levels.

Tackle rugged trails in the Olympic National Forest near Quilcene WA with distances from a scenic 10K to a demanding 100K. Registration opens Jan 23 2026 and race HQ is a retired quarry deep in the forest for a true backcountry feel.

Join an 8 hour trail gathering at Crandall's Park and run as many 5K loops as you like. Potluck, raffles, prizes and a Shenipsit Striders 50th anniversary gift for those who complete at least one loop.

Run the Cloudcroft Ultra in the Sacramento Mountains on August 15, 2026, with distances from a scenic 53K to a family friendly kids dash. Enjoy shaded single track on the Rim Trail at 8,600 feet with sweeping views over the Tularosa Basin.

Run the White Pine 50, a scenic 50 mile loop in Upper Logan Canyon starting and finishing at Beaver Mountain Ski Area near Garden City. Parts of the course follow Bear 100 terrain and 2026 winners earn automatic entry to the next Bear 100.

Hit the trails at Midland City Forest for the Dirty Dog Trail Run, with 10K, 5K and a one mile walk through woods, creeks and bridges. Dogs on leash are welcome and proceeds benefit Shelterhouse and SOS Animal Rescue.

Explore scenic trails at Seven Lakes State Park on Aug 15 with 7 mile, 3.5 mile or virtual options through hardwood forest and lakeside rolling terrain. Chip timed finish, tech shirt, finisher medal and post race refreshments.

Run Super Series offers road and trail races across Washington, from 5k to 100 mile ultras, plus relays and downhill marathons with Boston qualifying courses. Scenic routes and varied distances suit every runner.

Tackle scenic ski area trails at Belleayre Mountain in Climb It For Climate, a community trail race offering challenging 25K and shorter 8K options. Proceeds support The Catskill Center and registration includes a zero carbon travel offset.

Take on the iconic Leadville Trail 100 Run, a 100 mile ultramarathon through the Colorado Rockies that climbs to Hope Pass and delivers breathtaking high altitude views. A true test of endurance and grit.

Summer Meltdown in San Antonio's O. P. Schnabel Park offers races from a kids dash to a chip timed half, plus volunteer then run and virtual options. Celebrate your finish with snacks and drinks at the post race rally tent.

Join the third annual Tails & Trails 5K at Independence Oaks in Clarkston for a family friendly run or walk where leashed pets are welcome. Enjoy trail scenery, a kids Cat Walk, vendors, and fundraising for local animal rescues.

Kick off the cross country season at Epiphany Cross Country #1 on Monday August 17 2026 at The Epiphany School in New Bern. Separate 5K races for girls and boys, professionally timed for fast competition and community fun.

Run the 58th Augúst, Montana's second oldest footrace, with a flat 5 km trail course around Spring Meadow Resources Pavilion in Helena. Proceeds support local high school cross country teams and the event welcomes runners of all levels.

Habanero Hundred at 7IL Ranch in Cat Spring Texas offers distances from 10K to a new 135 mile lottery ultra. Run solo or on a relay team with chip timing, a race shirt and free photos, and chase belt buckles for 100 mile and 100K.

Challenge high elevation trails above historic Telluride with 13, 24 or 40 mile courses across alpine tundra, exposed ridgelines and mountain passes. Big climbs, epic views and true mountain running in the San Juan Mountains.

Run the Shawnee Hills Trail Races at Camp Ondessonk in the Shawnee National Forest, with distances from half marathon to 100 miles. Tackle technical single track through sandstone canyons and waterfalls and relax with on site camping.

Tackle the scenic Post Canyon Half Marathon in Hood River, Oregon, a challenging trail with roughly 2,300 ft of climbing, sweeping mountain views and creekside waterfalls. Cup free event with aid stations and finisher prize bags.

Firebird Trail Races in Windham, Maine on Aug 22, 2026 offer 50K, marathon and 13 mile courses on technical 10 mile loops through Lowell Preserve and nearby woods. Grassroots fundraiser for local trails with a wood carved medal for finisher..