Trail Running Calendar United States 2026-2027

Rocky Mountain Slam in Logan, Utah on September 25, 2026 is an epic 100 mile series that culminates with The Bear 100 as the required finale. Complete at least four 100 mile races in the series to earn recognition and a finisher award.

Run 100 or 200 miles on Nebraska's Cowboy Trail, a largely flat crushed limestone rail trail perfect for runnable miles. The point to point 200 miler goes Norfolk to Valentine, field capped at 150 and supported by aid and sleep stations.

Red Feather Trail Jamboree in Red Feather Lakes Colorado offers a weekend of scenic singletrack racing, camping and a community dinner at Ben Delatour Scout Ranch. Choose 50 Mile, 50K or Half Marathon, capped at 500 runners.

The Echo 136 is a 136 mile trail ultramarathon through the scenic Kettle Moraine and Ice Age State Trail near Whitewater, Wisconsin on September 25, 2026. Expect rugged singletrack, generous aid stations and a 55 hour time limit.

Run five mountains amid peak Vermont fall foliage at the Westmore Mountain Challenge in East Charleston, supporting NorthWoods Stewardship Center. Choose marathon or 20 mile trail and help fund local trail and forest stewardship.

Sangre de Cristo Trail Festival near Westcliffe Colorado on Sept 26 and 27 2026 features races from 8 mile to 100 mile on scenic mountain trails. Camp onsite, enjoy stocked aid stations, and race in a small, community focused field.

Anchorage United Nations Run : 2025 event status The 2025 Anchorage United Nations Run was cancelled due to an error in the permitting office that delayed approval. The organizers plan to hold the event next year on September 26, 2026. Purp..

Crested Butte Ultra offers high alpine single track racing in Colorado with 50 Mile, 55K and 35K options through Gunnison National Forest. Expect sweeping mountain ridge views, cupless aid stations, custom swag and a finisher buckle.

Run rolling single track and forest roads around Buena Vista, Colorado, with sweeping Collegiate Peaks views. Choose a 30K or 50K and soak up 14er Fest vibes with camping, live music and local vendors.

Take on scenic trails at Marilla Reservoir in Bradford, PA on September 26, 2026 with 14 mile and 7 mile runs or a 4 mile hike. Expect rolling hills, marked single track and chip timing, plus a finish at a historic covered bridge while supp..

Run the Ascot Hills Challenge 5K on scenic trails above East Los Angeles with sweeping views of Dodger Stadium and the Hollywood sign. Proceeds benefit Wilson High School fire and police cadet programs and help preserve Ascot Hills Park.

Run the classic Dick Collins Firetrails at Lake Chabot Marina, with 100k, 50 mile and marathon options across scenic Bay Area trails. Challenging yet well supported and UTMB indexed, the 43rd edition returns Sept 26, 2026.

Run a scenic 7.78 mile loop at Clarkco State Park, repeating it to reach distances up to the ultra within a 10 hour limit. Enjoy lakeside views, bridges, one aid station and camping for a full race weekend.

The Cat's Tail Marathon will take place in Shandaken on Saturday 26 September 2026. You can run 26 miles.

Join the 36th Three Course Challenge at Camp Rilea near Seaside Oregon, a spirited cross country meet for middle and high school runners celebrating the sport since 1990. Multiple scenic courses and lively weekend festivities make this a mu..

Join the Run Baby Run 5K in Lexington for a flat, family friendly course through Coldstream Park that supports NICU families. Enjoy a kids dash, commemorative tee and virtual option while helping provide essentials for babies in need.

Explore coastal trails around Anacortes with ocean views and the iconic Deception Pass Bridge on loop and out and back courses. Marathon, half marathon, 5 Mile and kids race options welcome runners of all paces in a sustainably run event.

Take on the Miami 100 on September 26, 2026, an open road 100 mile ultramarathon through iconic Miami neighborhoods. Limited to 50 runners, it leans on crew support and checkpoints and includes an optional 130 mile challenge.

Push your limits in a community driven 24 hour endurance run on the scenic Palmer Divide near Palmer Lake, CO on Sept 26, 2026. Loop the 0.82 mile course, chase distance awards and support local parks with every entry.

Test your limits on the rugged Cossatot River Trail with 25M marathon and 12.5M half marathon options through rocky, rooty single track and big climbs. Enjoy a finisher medal and tee, full course support, and unforgettable river views.