Trail Running Calendar United States 2026-2027

Run Rabbit Run in Steamboat Springs, Colorado is an annual trail ultramarathon offering 100 mile (Hares and Tortoises) and 50 mile divisions, limited-field races with a six-figure prize purse and a history of charitable giving.

A team trail relay on September 18-19, 2026 at Nine Mile Forest near Wausau, WI, featuring 117 total miles, single track trails and overnight camping. Multiple team formats are offered and Ragnar Village provides food, music and camping ame..

A multi-distance, self-supported endurance event in Marquette County with camping, coached prep rides, mandatory GPS navigation, undisclosed checkpoints, and formats from short to 200 mile coverage across September 18 to 20, 2026.

A 100 mile trail ultramarathon in Ogden, Utah on September 18, 2026, featuring roughly 101.5 miles, about 96% singletrack and over 22,000 feet of ascent. Live Garmin In Reach tracking is provided and the course includes a short 1.5 mile car..

A timed fundraiser at Goose Island Campground in Stoddard, Wisconsin offering six hour and twenty four hour run or walk options where participants set their own distance goals, from a single loop to ultramarathon totals.

Multi-day timed ultras at Shortsville Reindeer Farm on a one mile grass and trail loop. Multiple timed options, an on-course aid barn, and belt buckles for finishers who complete 100 loops; proceeds support ROCovery Fitness.

A three day trail running festival at Standing Boy Trails in Columbus GA featuring a Night Time Vertical 5K, 10 mile races including canicross, and a 50K made of three 10 mile loops. Headlamps are required for the night race and parking is..

A Last One Standing event at Smith Ranch in Bradley, CA where runners repeat a 4.18 mile dirt loop each hour and must finish within the hour to continue. The final runner to complete the loop wins a custom western style trophy buckle.

Multi-distance trail races on 100% dirt single-track loops at Smith Ranch near Bradley, California. Onsite primitive camping, nightly bonfires and live music accompany aid stations roughly every 3 miles.

A multi-distance running event held each September at Wright-Patterson Air Force Base and the National Museum of the U.S. Air Force, with in-person and virtual race options, an expo, a pasta dinner and a finish line festival.

A 24-hour event at Pemberton Park where individuals and four-person teams run repeated 5K loops, earning points per finish and for placing, with bonus points for late-night miles and a big bonus for completing all 24.

Trail races on the Pinhoti near Dalton, GA offering 100 mile, 50 mile, 35 mile and 18 mile options. Mostly single track with ridgelines, a notable climb, bused starts for shorter distances, and close crew access on the 100 mile loop.

Mile Madness is a looped trail event in Auburn, California held September 18-21, 2026, with timed races from six hour up to 72 hour and a 100 mile option. The 0.85 mile loop includes stocked aid stations, relays, massage, and buckle awards.

An endurance festival in Moorhead with timed three, six, twelve and twenty four hour run and ruck events. Laps use a five mile loop with aid station support, finishers awards, and buckles for 100 mile runs or 100k rucks.

Three Friday evening 5K races at AZ Falls on 8/21, 9/18 and 10/16 with chip timing, age group awards, raffle prizes and collectible desert medals. The series raises funds for Child Crisis Arizona and includes a virtual option.

A three day health and wellness festival at Kingston Downs, Rome GA combining a choose your own distance run on The Loop with sauna sessions, yoga, live music, speakers, an experiential expo, camping and glamping options.

Savage Race Georgia Fall on September 19, 2026 in Dallas, Georgia offers two obstacle course options: a three plus mile Blitz with 15 to 20 obstacles and a five to seven mile main race with 25 or more obstacles. Parking is $20 at the gate.

A weekend of multi-distance Spartan obstacle racing at Killington Ski Resort set on steep slopes and rugged Green Mountain terrain. Events include Sprint, Beast, Ultra and a kids race with spectator access and published pricing examples.

A Spartan obstacle race weekend near Monroe, Washington featuring Sprint, Super, Beast, kids races, a workshop, and a Hurricane Heat event across forested trails and narrow paths.

Road Atlanta Trail Run is an event at Road Atlanta organized by Dirty Spokes Productions. The organizer runs off road cycling adventures and offers custom bike builds.