Trail Running Calendar United States 2026-2027

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.

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.