Trail Running Calendar United States 2026-2027

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.

Enjoy a scenic 5K trail or one mile Move As You Please at Thorncroft Equestrian Center’s 70 acre farm in Malvern. Finish with live music, food trucks and pony meet and greets while supporting care for 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.

Run the Cirque Series at Arapahoe Basin: a scenic 9.4 miles with 2,211 ft of climbing on high alpine trails around Montezuma and Little Lenawee. Finish in Mountain Goat Plaza with live music, food, and festival vibes.

Experience rugged high country trail running in Taos Ski Valley with a full marathon and two half marathons climbing to alpine peaks above 12,000 ft. Technical single track, wild meadows and sweeping views reward tough climbs while proceeds..

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.

Take on scenic hilly trails at Panther Creek State Park with a challenging half, a 10K and a kids mile along lakefront single track. Big climbs, beautiful views and student entries make this a fall must try.

Leave No Trace at Camp Manatoc is a scenic trail event through white pine groves and past Minnehaha Falls, perfect for runners and hikers. Choose the half marathon or the new 15k and 5k, bring your dog, earn a finisher medal and support Cam..

Booneville Backroads Ultra near Van Meter Iowa offers distances from 10K to 100 miles through rural roads and Madison County bridges. Expect big hills, muddy stretches and a friendly grassroots vibe with crew support in 2026.

Not A Sprint Ultra Races brings timed endurance running to the paved Thermal Belt Rail Trail in Forest City NC on a largely flat 8.34 mile out and back loop with aid stations. Choose 3, 6, or 12 hour formats and earn a buckle for 50 miles.

Join the new Mammoth Bar Trail Runs on Sept 6, 2026 in Auburn CA with Half Marathon and 10K on single track and double track trails. Expect steep climbs, thrilling descents and sweeping views of the American River Canyon.

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.