Trail Running Calendar United States 2026-2027

A coastal 5K at Hermit Island Campground supporting Marine Mammals of Maine, with timed and untimed in-person runs, a weeklong virtual 5K, a kids 1-mile fun run, raffle, and prizes for top human and canine finishers.

A seven-mile trail race on Monte Sano Mountain starting at Oak Park Recreation Center in Huntsville, AL, with pink-flag course markings, water at about miles 2 and 4, packet pick-up at Fleet Feet Huntsville, and a shirt plus finisher gift.

Run the Rocks is a fundraising event at Red Rocks Park and Amphitheatre in Morrison, Colorado on October 11, 2026. It offers a 5k and a 1.3 mile family course and raises funds for lung disease education, advocacy and research.

Three cross-country races on October 11, 2026 at Miwok Meadows, China Camp State Park in San Rafael, CA, on a roughly 4.20 mile mostly single track course with a short paved section.

Two measured trail races at Evansburg State Park on October 11, 2026, with **14K** and **6.5K** options, water stops, age-group awards, and a mostly flat, runnable course.

A time-based event in New Salem MA offering 12 hour and 24 hour run or walk options around the town common on October 11, 2026.

Join this cross country event in New Bern North Carolina featuring dedicated races for middle school and high school athletes. Run through a natural course at the Epiphany school grounds with 5K and youth distances available.

Insomnia is a night trail race in the Sierra Nevada foothills offering 35K, 14K and 5K options. Courses are marked with reflective ribbons and headlamps are required; the 35K has a 5 hour 30 minute overall cutoff.

A 3.1 mile dirt trail in Corner Canyon with about 508 ft of elevation gain, notable views of the mountains and Draper temple, and wooded sections that change with the seasons. The course starts and finishes at the Peak View Trailhead pavili..

Member-only 5K through woods and fields on October 13, 2026, the final Atlanta Track Club Grand Prix race before the December 12 finale.

A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.

A loop-based trail event near Dubuque, IA, offering **100 mile** and **100 km** options on varied terrain with significant elevation and multiple scenic overlooks of the Mississippi River.

Two-day trail running event at Willenborg Woods near Charleston IL offering 5K, 8 miler, 16 miler, 50K and 100K on marked single-track trails.

A three-day trail running event at Silver Falls State Park in Silverton, Oregon, offering distances from 5K to 50K. Registration opens Aug 1 and closes Oct 11, 2026, with fees that vary by race distance.

A weekend of races at the Gallatin County Fairgrounds in Glencoe, Kentucky featuring an 800 m kids run, a 5K trail with a two hour cut off, and a last runner standing ultra run on repeated 2.083 mile laps. Headlamps required for the ultra.

An ultramarathon in western Utah on the historic Pony Express Trail, offered at 50 and 100 miles on 100 percent dirt roads. The route is remote and crew supported with timing checkpoints and simple on course facilities.

Night trail races at Cave Creek Regional Park offering looped 5K, 11K, 22K and 33K options on desert single track with stocked aid stations, live tracking and a cupless race policy.

A three day, 60 mile stage trail race in Chattanooga, Tennessee on October 16 to 18, 2026. Each day uses a different mountain trail and strict time cutoffs and pace expectations apply.

A 48 hour endurance event in Cedar Falls with repeated 4 mile legs, individual and team relay options, on course meals, participant sweatshirts and finisher medals.

Test your endurance at Autumn Lake Winery with a unique hourly 5 km challenge. Choose from 6, 12, or 24 hour individual and relay events across trails and vineyards in Williamstown.