Trail Running Calendar United States 2026-2027

Join the Labor Day Slay on Saturday, August 29, 2026 at Queeny Park in St Louis for 5k, 10k, half marathon and 10K Ruck on fully marked trail loops. Expect chip timing, finisher medals, swag and race day packet pickup.

Challenge yourself on scenic Ridgeline Trail at Rock Hawk Trail Races on August 29, 2026 in Philip S. Miller Park, Castle Rock, CO. Choose from 5K to 50K distances, enjoy rolling terrain and finisher awards while supporting local trails.

Mindy Creek Trail Races in St. Croix Falls, WI showcase scenic yet technical trails with rolling hills, bridges and long stretches of single track. Marathon, half marathon and 10K options deliver a true trail challenge and all finishers get..

Swim roughly 30K through Pittsburgh's three rivers from Point State Park to the Point in a fully supported open water marathon that benefits Team Forever and families facing infant heart surgery. Limited water starts and strict time limits..

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 through towering redwoods on scenic single track trails at SPASM Crystal Springs Trail Run in Woodside, with distances from 8K to 50K and a kids dash. Stocked aid stations, finisher medals and shirts for early registrants.

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.

Experience the Dark Divide Trail Races Sept 4 to 6, 2026 near Randle, Washington, with distances from a 15 Miler up to a 100 Miler. Rugged, scenic forest courses, a Hardrock 100 qualifier, and rustic basecamp at Cispus Learning Center.

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..

Temptation 200 Ultras at Sand Ridge State Forest near Forest City, Illinois on Labor Day weekend offers tough single loop terrain and distances from 50K to 200K. Camping at the start and a 40 hour cutoff make it welcoming for ultra runners.

Run the GristMill Grind on September 5, 2026 at Franklin Creek State Natural Area, a hilly technical trail offering 5K and 10K routes through ravines, limestone bluffs, springs and creek crossings. Proceeds support park conservation.

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.

Run the rugged Noble Canyon Trail Races in Pine Valley, CA, choosing a challenging 50K or lively 15K through rocky climbs, ridgelines and pine forests. Expect scenic views, technical singletrack and spirited aid station support.

Tuscazoar Endurance Race at Camp Tuscazoar in Dover OH on Sept 5, 2026 features a roughly 25 mile loop and options from 25 to 100 miles plus night 25 and 50 mile races. Expect rugged trail, supportive aid stations and onsite camping.