Trail Running Calendar United States 2026-2027

A remembrance event at the Lake County Fairgrounds Grandstand in Crown Pont, IN where participants climb 17 laps totaling 1,980 steps or join a 1 mile non timed walk. The event includes hero wristbands, limited finisher medals, and supports..

Women only 8 mile trail run in Midway, Utah on September 11 and 12, 2026. Regular and VIP tickets are available; VIP includes a privately catered dinner with a keynote and early access to merchandise.

Whites 100 in Shelburne, NH on September 11, 2026 is a non-competitive, fat-ass-style trail event offering five drop bags, bin transport and an online tracker. A refundable $200 bin deposit is required and a 54-hour support cutoff applies.

Honor veterans while exploring the scenic Flint Hills of Kansas through gravel cycling, running, or a military ruck march. This meaningful community event offers distances for all levels, from a flat 5K to an intense 52-mile gravel race.

A point-to-point trail run around Emerald Bay of about 7 miles (approximately 11 to 12 km). The single-track course includes granite steps and moderate climbs and finishes at Lester Beach with shuttle service back to the start.

Trail races at Douthat State Park featuring a roughly 13-mile loop used for a 50K, marathon, half marathon, and a six-mile race, with multiple aid stations, loop-based finisher rules, and limited field sizes.

A demanding 17.1 mile mountain trail race connecting Ouray and Telluride over the high altitude Imogene Pass. This event features steep rocky terrain and strict cutoffs for prepared athletes.

A 10 mile trail race along the Pacific Crest Trail near Winthrop, WA on September 12, 2026. The field is limited to 460 runners and the event uses six self seeded waves; youth 17 and under race free with required registration.

A trail event on the Mogollon Rim near Pine, Arizona offering a 100 mile and a 42K course featuring high elevation, multiple rim climbs, technical singletrack and staffed aid stations.

An obstacle based 5K at Short Beach in Stratford CT featuring more than 18 obstacles and a family friendly course. Proceeds support the Sterling Community Center including the food pantry and youth programs.

A weekend running festival in Mendocino Woodlands Park featuring a mostly single-track 6-mile loop, two aid stations, and choices of half-marathon, 10K, or 6- and 12-hour timed formats, plus on-site camping and weekend meal options.

A trail running event at Clinton Lake State Park in September 2026 offering 100-mile, 50-mile, and marathon distances on a 25-mile loop with staffed aid stations, chip timing, and finisher awards.

Trail races at Ontario County Park in Gannett Hill near Naples NY featuring short and long trail courses, post race food, giveaways and volunteer incentives. Organized by FarFetched Enterprises on September 12, 2026.

A trail event along the 70-mile Shawangunk Ridge near Rosendale, NY, offering 70-mile, 30-mile, and half-marathon routes across varied terrain. The course is minimally supported and uses shuttles with Rosendale-only parking.

An obstacle course race in Tulsa, OK on September 12, 2026, covering about 4 miles with more than 25 obstacles. A kids course (12 and under) has $20 registration and group pricing is available; promo code CTGDADS gives 25% off.

Pleasant Creek Trail Run on September 12, 2026 in Palo, Iowa offers 15K, 30K and 45K looped trail races on dirt and grass with rolling hills, age group and overall awards, cash prizes, and a post-race cookout.

A longstanding Nederland, Colorado running event offering a 5K road run, a 10K trail, and a trail half marathon, with family-friendly features, on-leash dogs allowed in the 5K, and costume encouragement.

A timed urban ultra at Horner Park offering 3, 6, and 12 hour options on a short paved loop. Hourly playful challenges, a single aid station, and two- or four-person relay options add variety.

Three trail races in Camden Hills State Park offering a steep singletrack 10K, a gravel 20K, and a 50K that uses most park trails, set beneath Mount Megunticook on Wabanaki ancestral lands.

Tough Mudder Big Bear on September 12, 2026 is an obstacle mud run at Bear Mountain near Big Bear Lake, California. It offers 10K and 5K courses, spectator and group options, named obstacles, finisher items and a Mudder Village pass.