Trail Running Calendar United States 2026-2027

The Wisconsin Trail Series will take place in Oconomowoc on Saturday 1 August 2026. You can run between 5 and 21 kilometers.

Rodeo Valley Trail Run stages 8K to 50K trail races in the Marin Headlands near Sausalito with coastal single-track, notable elevation gain, chip timing, cupless aid stations, and a field capped at 350 runners.

A community endurance event on August 1 at Tamaques Park in Westfield NJ offering 3, 6, 9, 12 and 24 hour options, welcoming runners of all skill levels and raising donations for clean drinking water.

A multi-loop trail marathon on Royal Gorge land near Soda Springs, California on August 1, 2026. The route is about 26.4 miles with roughly 4,300 feet of climb and a single central aid station passed four times.

A free 5k trail run for children aged 12 and under near the east rim of the PA Grand Canyon, with finisher medals, T shirts and a post race lunch. The event emphasizes fresh air, new friends and ice cream.

Skyline 50K runs August 2, 2026 at Lake Chabot Marina in Castro Valley, featuring a scenic loop through East Bay Regional Parks. One of the nation's oldest 50K races, it welcomes first time ultrarunners and includes a half marathon option.

Run the Ely Mountain Trail Race at scenic Balsam Forebay near Shaver Lake, CA, with 14K or 8K options featuring big climbs and a rugged granite mile on the 14K. Field capped at 250, with aid stations, finisher medals, shirts and post race s..

Beat the heat at the Summer Meltdown Half Marathon, Aug 2, 2026, at Wheeler Park in Oklahoma City. Choose from kids dash, 1 mile, 5K, quarter or half plus a virtual option, enjoy aid stations, postrace awards and a race rally.

Join Montey's Pack Rescue Run 5K at Heebner Park for a fun 5K, a 1 Mile Kids Fun Walk, or a virtual 5K that helps animals in need. Family friendly course with medals and fundraising prizes and 100% of proceeds support local rescue efforts.

Experience the Buena Vista Pack Burro Race in Colorado on August 2, 2026 with long and short courses and options to compete with or without a burro. Finishers enjoy a gift, pizza buffet, free photos and small town Triple Crown charm.

Take on the Lory Summer Trail Series at Lory State Park in Fort Collins: four midweek chip timed trail races across August with points, awards, and vintage Gnar shirts. Enjoy pizza and post race drinks for a fun community vibe.

Salt and Sulfur 420 is a 420 mile ultra from Salt Lake City to West Yellowstone that challenges runners on road and dirt in a multiday endurance test. Entry is selective and proceeds benefit the Salt Lake City Women's Center.

Run the Stonington Cross Country 5K in Pawcatuck at Stonington High School on Wednesday August 5. The scenic course starts and finishes on the track and winds through quiet streets, trails and grassy crossings for a community run.

The High Five 100 is a self directed mountain endurance challenge from Lake City, Colorado covering roughly 90 to 105 miles and 40,000 feet of climbing. Navigate 24 points your way and return within 48 hours for a rugged, unsupported alpine..

Test your limits at the Kansas City Backyard Ultra at Mill Creek Park on the Country Club Plaza, featuring a Last Runner Standing contest plus 3, 6, 9 and 12 hour timed events. Run hourly 4.17 mile loops beside the J C Nichols Fountain for..

Mountain trail ultramarathons in Sumpter, OR on August 8, 2026. 53 mile and 50K courses run the Elkhorn ridgeline with high elevation, technical terrain, mandatory safety gear, a cupless policy and shuttle logistics.

Discover scenic but technical trails around Larrabee State Park in Bellingham with 12K, 25K, 50K and a kids race, starting and finishing at Fairhaven Park. Expect rocky singletrack, big climbs and a handcrafted finisher award.

A trail race on the Frisco Peninsula offering 5k, 10k and half marathon courses with lakeshore finishes, chip timing, stocked aid stations, post-race food and beer, and marked single track and dirt trails.

Run by Tahquamenon Falls in Paradise, Michigan on August 8, 2026, with 10K, 25K and a new 50K option. Limited to 250 runners, the course showcases single track and river views, aid stations and a finisher award.

A trail marathon and half marathon at Butterfield Trailhead in Herriman, UT, featuring single track and ridge views, significant elevation gain, marked courses, aid stations, locally made medals, free race photos and a post-race breakfast.