Trail Running Calendar United States 2026-2027

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.

A one day trail running festival at YMCA of the Rockies in Granby, Colorado on September 12, 2026 featuring 50K, 33K, half marathon, 10K and 5K on dirt and grass trails with loop formats, aid stations, drop bag access and on site lodging an..

Point to point trail race on the Olympic Adventure Trail near Port Angeles with half marathon, marathon and 50K courses finishing at Lake Crescent. Mandatory shuttles, cupless aid stations, limited fields and on course public trail use.

Point to point trail races in Sylacauga, AL offering a 50 Miler, 50K and 25K on the Pinhoti Trail across Horn Mountain with extensive single track, aid stations, on site camping and posted results and awards.

Trail running event in Johns Island, SC on September 12, 2026 offering marathon, half marathon, 10K and 5K on a 3.3 mile loop. One stocked aid station, on site camping and packet pickup are available.

Experience a unique multi-terrain race through the scenic sand dunes and woodland trails of Western Michigan. Scale the iconic steps of Mt. Baldhead and celebrate your achievement at a festive post-race party in downtown Saugatuck.

A point to point marathon and half marathon on the Palouse to Cascades Trail in North Bend, WA, featuring downhill profiles, a Snoqualmie Tunnel section, lake views, USATF certification and timed race services.

Trail races at Mt. Bachelor feature loop distances of 50K, 28K and 16K plus a Vertical Ascent 5K, each reaching the 9000' summit. The event offers marked courses, aid stations, chip timing, finish awards and a $10,000 50K prize purse.

A trail race at Pace Bend Park on Lake Travis offering marathon, half, 10K, 5K and a youth mile. The course is a 13.1 mile loop with a 5k shortcut and a finish area placed near the lake for cooling off.

Beat The Blerch in Carnation, WA offers 5K, 10K, half and full marathon distances on a flat out and back gravel trail through mossy evergreen forest, with stocked aid stations including Nutella sandwiches and birthday cake.

A 13.5 mile trail half around Lory State Park near Fort Collins with about 2,000 feet of climb, marked singletrack, aid stations, and a free one mile kids race.

A trail event at Hagan-Stone Park offering half marathon and 10K runs plus ruck and virtual options, with morning, evening, and double-entry formats; evening races may require personal lights.

A family-friendly 5K mud run at Everett A. Cummings Center featuring obstacles, mud pits no deeper than waist level, a pre-party with music, and a finish-area after-party with food trucks and DJs.

An adventure race at East Fork State Park where solo competitors or teams trek, bike, and paddle to collect checkpoints using map and compass. Timed 6 hour and 12 hour formats are USARA sanctioned and include boat rental options.

A chip-timed one-mile uphill trail race to the top of Pincushion Mountain in Friant, CA, with awards and finisher items. A Mountain Goat edition allows multiple timed ascents within a four-hour window and includes special awards.