Trail Running Calendar United States 2026-2027

A night trail run at Guadalupe River State Park near San Antonio offering 8K, 25K, 50K and an 8K ruck. Single track surface, headlamps required, and personal water carriers needed.

A four-race summer series of open 5k events at Panorama Vista Preserve in Bakersfield from June 13 to July 25, 2026, with Youth, High School and Adult divisions, points-based scoring using best three results, and prizes for top finishers.

The Thunderbird Warrior Challenge will take place in Bayfield on Saturday 13 June 2026. You can run between 5 and 50 kilometers.

The Tour de Trail: Wyandotte County Lake Park will take place in Kansas City on Saturday 13 June 2026. You can run 10 kilometers.

A 50 mile loop in the Wasatch Mountains above Provo, Utah, featuring about 10,000 feet of elevation gain and five major climbs. The course mixes singletrack, dirt roads and some pavement with high country and variable snow.

Trail marathon and half marathon in Boise on the Ridge to Rivers Trail System with single-track and dirt road sections, big climbs, and aid stations. A $100 prize awaits the first man and woman up the Hard Guy climb.

A six hour trail run at Ansonia Nature Center on June 13, 2026, run as counterclockwise loops of about 1.9 miles on moderately technical singletrack with roughly 170 feet of gain per loop. Entry is limited to 69 runners.

Trail 5K and 10K on the Tour De Wolf Trails in Shelby Farms Park near Cordova TN, mostly single track with a few hills. The cupless race has water stations, chip timing, finishers medals, and age group awards.

A community 5K in Ebensburg on June 13, 2026, featuring an in-person 5K, a Kids Fun Run, and a virtual shirt option. The course runs along the Ghost Town Trail and all proceeds support local youth and fire service projects.

A 5K at Robinson Preserve in Bradenton on June 13, 2026, offering participant t-shirts, snacks and post-race hotdogs, age-group awards for male and female finishers, and a guided pre-race stretch session.

A trail running event at Mansfield Hollow State Park offering a 15.7 mile out-and-back on the Nipmuck Trail and a new 5K course entirely inside the park. Proceeds support Connecticut trail stewardship groups.

Tackle the Tahoe 100k, a 62.9 mile ultramarathon from Stateline NV through high Sierra singletrack and alpine ridgelines. Expect big climbing to nearly 9,800 ft, stunning views of Star Lake, and a 24 hour cut off.

Run from mountain to meadow at Lolo Pass, Montana, choosing a half marathon or scenic 10K across gravel roads and forest trails with sweeping Bitterroot views. Finishers get a tank top and a post race BBQ to celebrate.

Run the scenic Old Zoo Half Marathon in Griffith Park, Los Angeles on June 14, 2026, with half marathon and 12K options on mostly flat trail courses. Enjoy a commemorative elephant finisher medal, music and postrace refreshments.

Join the 24th Dewey Beach Patrol 5K on June 14, 2026 for a scenic run along the bay that supports the Dewey Beach Patrol. Chip timing, age group awards, and a festive post race party with food and beer make it a must for local runners.

A long-running set of races through the 300-foot sandstone formations of Garden of the Gods Park, featuring a 10 Mile road race, a 10K road race, and a 10K trail run with a common finish at Rock Ledge Ranch.

A seven-race trail series in Oconomowoc from April to October 2026 offering 5K, 10K, half-marathon, walking and ruck options, cupless events, age-group scoring and finisher Woodles.

A 5k run and 5k walk in Marienville on June 14, 2026, staged from the Bike/walk trailhead. T-shirts are guaranteed for signups by May 31, 2026 and the course is described as flat and fast.

Trail runs at Waverly Park in Louisville from June 14 to June 28, 2026, include a 6 mile and a half marathon with in person and virtual options. Finish three series races to earn a cryptid medal and survivor shirt.

A chip timed 5k at Mackinaw Valley Vineyard and Winery on June 14, 2026 featuring a two lap cross country style course, race swag and a wine pour, with age group awards and a virtual participation option.