Trail Running Calendar United States 2026-2027

Trail event in Rainbow, Oregon offering 50K and 20K routes with over 8,000 feet of climbing, multiple summit climbs, aid stations and a shuttle-start for the 50K; a portion of proceeds supports Bridgeway House.

Mud Factor AMARILLO is a 5K mud and obstacle run at Bowers MX in Amarillo Texas on October 10 2026. It offers adult and KIDZ family waves, requires a signed waiver and adult photo ID, and charges a spectator fee.

A multi-distance trail event at Farmdale Reservoir near East Peoria, IL on October 10-11, 2026, featuring races from 10K to 100 miles, single-track and prairie trails, on-site camping, aid stations, and awards for finishers.

Trail runs of 10K and 23K through singletrack and dirt roads in Danby State Forest with views from the Thatcher Pinnacles. The course features marked turns, aid stations, and varied elevation and footing.

Cedar City Uphill Ultra is an inaugural trail ultra in southern Utah on October 10, 2026. Runners complete three loops of the "C" trail on 100% dirt with about 7,500 feet of climbing between roughly 6,000 and 8,200 feet.

A chip timed 5K in Keystone, Iowa on 10/10/2026 where participants wear flag belts and encounter costumed zombies who try to pull flags. Proceeds support Keystone First Responders and Benton Girl's Wrestling.

A 12.4 mile loop from Mitchell Canyon to Mount Diablo summit with about 4,000 feet of ascent and descent. Entry includes shuttle service, a post race raffle entry, a finisher item, and a five hour cutoff.

A timed trail event at Rothwell Park where participants complete as many one mile loops as possible within a chosen 3, 6 or 12 hour category; entries are available as solo runs or three person team relays and proceeds support Special Olympi..

A late-season trail running event on Antelope Island near the Great Salt Lake offering multiple distances and scenic desert ridgelines. The 2026 program adds a 75K to Frary Peak and a 10 mile singletrack loop around Bridger Bay.

A dog friendly charity 5K at Overton Park benefiting Dogs 2nd Chance, with in-person and virtual options, finisher medals, age-group awards, and specific rules for canine participants and leashes.

Trail races near Hemlock and Canadice Lakes in Springwater NY offering 5K, 15K and a full marathon. Courses include technical single track, a steep 0.5 mile descent on the 5K and two 800 ft climbs on the marathon.

A 5K trail run on wooded, hilly camp trails in Bedford, Indiana on 10/10/2026; proceeds fund scholarships to send children to camp. All finishers receive a medal and top male and female receive awards.

A castle themed looped running event at Krug Park on 10/10/2026 to 10/11/2026 offering 5k and 10k options plus an extended challenge with medals. Most proceeds benefit St. Jude Children's Research Hospital and a local nonprofit.

Trail races in Columbus, Indiana on October 10, 2026 offering 10K and 5K distances. Online registration and a course map are listed for the event at 13550 Bellsville Pike.

A community 5K and 1K kids race at Kilgore Creekside Trail that raises funds for the Kilgore ISD Education Foundation, with packet pickup the day before, prizes, and a non-racing supporter option.

A fall point to point trail race in Babcock State Park covering 15K with about nine miles of trail and a short road section. The course follows Mann's Creek Gorge and features rhododendron tunnels, waterfalls, cliffs and scenic overlooks.

A trail running event at Backbone State Park in Dundee, Iowa, on Saturday, October 10, 2026, organized by Backbone Lake Friends, offering a 4.3 mile Original route and a 10K Lake Loop with stated difficulty levels.

Trail races around San Pablo and Briones Reservoirs on October 10, 2026, with 5K, 10K, half marathon and 35K options. The course features single-track and fire roads, aid stations with varied supplies, and awards for finishers.

Fatass style trail races of roughly 25 and 50 miles near Foresthill, CA, featuring off-trail route finding, significant elevation gain, limited to 50 entrants, and a shared drop bag location passed twice.

Continuous loop endurance race at Eddie D. Jones Park in Keithville, LA. Runners complete repeated 3.1 mile loops to reach either 40 miles or 50 miles within a 12 hour time limit, with a centrally stocked aid station.