Trail Running Calendar United States 2025-2026

Tackle the scenic trails of Waterville Valley NH near Town Square on Aug 29, 2026 with options from a 1.5 mile fun run to a rugged 50K over iconic peaks. Enjoy challenging terrain, aid stations, and commemorative finisher awards.

Run through sun soaked dirt trails winding across 20 acres of sunflowers near Buhler, KS. On site and virtual 5K and 1 mile options with finisher shirt, medal, festival pass and pancakes for finishers.

Explore the Spartan Trail at Summit Bechtel Reserve in Glen Jean WV on Aug 30, 2026 amid lush forest, technical singletrack and punchy climbs. Choose a 10K or half marathon during an OCR filled weekend of adventure.

Run or walk through Thorncroft's scenic 70 acre farm for the 9th annual 5K and one mile Move As You Please, then celebrate with live music, food trucks and pony meet and greets. Proceeds support the care of Thorncroft horses.

Run the rugged trails of the Dark Divide in Washington's central Cascades at the scenic Cispus Learning Center September 4-6, 2026. Choose from a 100 mile, 50K or 15 mile course across steep, technical singletrack.

Choose from a full marathon, half, or 10k on rugged gravel roads around Jump off Joe Mountain near Kennewick, WA. Summit stretches reward runners with sweeping Tri Cities and Oregon views while aid stations keep you fueled, so bring your ow..

Choose your challenge at Temptation 200 Ultras on September 5 2026 at Sand Ridge State Forest near Forest City, IL, with options from the Not Tempted 10K to a loop based 50K or the epic 200K. The loop format lets runners stop at 50K 100K or..

Tackle rugged trails at the GristMill Grind in Franklin Creek State Natural Area, featuring 5K and 10K routes with creek crossings, bluffs and forest canopy. All proceeds support Franklin Creek conservation and park improvements.

Run the Minnehaha 15k or 5k at Camp Manatoc on September 5, 2026, through scenic private camp trails past Minnehaha Falls. Part of the Dirty Trail Series, it welcomes hikers and dogs by permission and supports Camp Manatoc.

Epic point to point ultramarathon from Mt Crested Butte to Aspen across the Elk Mountains. Tackle 40 miles and over 6,000 feet of climbing on high alpine terrain while supporting Crested Butte Nordic.

Challenge yourself on the Cirque Series at Arapahoe Basin on September 5, 2026 in Keystone, Colorado. This scenic 9.4 mile mountain course with 2,211 ft of climbing delivers steep, technical trail and big alpine views in a capped field.

Experience high country single track around Taos Ski Valley with alpine climbs to Kachina and Fraser peaks. Choose the marathon or one of two half marathons, enjoy views and support local trails.

The TARC Fall Classic will take place in Carlisle on Saturday 5 September 2026. You can run between 10 and 50 miles.

Experience rugged singletrack and sweeping ridge views at the Noble Canyon Trail races in Pine Valley CA on September 5, 2026. Choose a challenging 50K or a scenic 15K through pine forests, granite slopes and canyon switchbacks.

Tuscazoar Endurance Race near Dover Ohio centers on a rugged 25 mile loop with distances from 25 to 100 miles. Day and night options, staffed aid stations and drop bag support make it a true ultrarunning challenge.

The Panther Creek Challenge will take place in Morristown on Saturday 5 September 2026. You can run between 10 and 13 miles.

Run the Not a Sprint Ultra in Forest City, NC on a mostly flat 8.34 mile out and back course with shady sections and well stocked aid stations. Choose 3, 6, or 12 hour timed events and chase 50 miles in the 12 hour race.

Tackle rugged single track trails and steep climbs at Mammoth Bar in Auburn, California, with sweeping views of the American River Canyon. Choose a half marathon or 10K and test your trail legs at this scenic, challenging outing.

Run the Golden Harvest in Toledo OH on Sept 6, 2026 with a half marathon, 10k, 5k, mile and kids dash plus a virtual option. Timed races include chip timing and medals and every finisher gets a designer shirt.

Run a scenic course from the Little Belt mountains into Harlowton, ending with a handcrafted pint at Gally's Brewing Company. Choose full, half, 10K or 5K and support AIDSPIRIT USA as funds help orphaned and vulnerable children in Uganda.