Trail Running Calendar United States 2026-2027

Endurance races from Flagstaff to the Grand Canyon with 100 mile and 55K runs, a 100 mile mountain bike race, and relay options along the Arizona Trail.

A nine mile trail run between Upper and Lower Tahquamenon Falls in Paradise Michigan with an island loop over a pedestrian bridge and one aid station. The field is limited to 100 runners and a 90 minute cutoff applies at the bridge.

Crimson Canyons Ultra on September 19, 2026 in Richfield, UT features 10 km, half marathon and a Spinal Tap 60 km across Pahvant Range and Fishlake National Forest, with routes up to White Pine Peak and long stretches on remote canyon and A..

A 100K trail race and three person relay at Meeks Mountain Trails in Hurricane West Virginia, run on six 10.3 mile single track loops. The event offers a 10000 USD prize purse and awards for top relay teams.

A five hour endurance event at Franke Park where runners, mountain bikers and wheelchair athletes complete as many full laps as possible on separate loops. Food and drinks are available at a central HUB and winners are top lap counts per ca..

A fall marathon in Fairbanks, Alaska on a 26.2 mile mostly trail course with a 3,300 foot climb up Ester Dome, nine aid stations, and options for a solo run, a timed hike, or a three person relay with three 8 to 9 mile legs.

Trail runs at Peace Ranch near Traverse City include a 5K on packed sand roads and a 10K on varied forest trails. The event is dog friendly and supports New Veterans Retreat Services and the Mustang Rehab Program.

A multi-distance obstacle course event on rugged terrain near Marseilles Illinois featuring 5K and 10K options, a kid's loop, ruck categories with recommended weights, and a multi-lap Bearded Challenge. Finisher shirt, medal, and action pho..

A trail event at Nyack Beach State Park offering a 50 mile ultra with about 9,700 feet of ascent and a 27 mile mountain marathon with about 4,900 feet, on looped singletrack with river views.

Ultra Fest in Easton, WA, is a flat, fast ultramarathon weekend on September 19 to 20, 2026. Multiple distances from 25K to 100 Mile are offered and day-of packet pick-up is available.

A trail-focused event on September 19, 2026 near Laurelville, OH offering 50K, 25K, 10K and a youth 10K; the 25K is about 95% trail and the 50K repeats that course. Finisher T and awards provided; no refunds, deferrals allowed.

Trail races at Codorus State Park in Hanover, PA offering a 40 Mile Ultra, a 40 Mile Relay, and a 25K plus scenic loops, stocked aid station, camping, and event awards.

A 100 km trail ultramarathon in Morgan Hill State Forest near Tully NY, featuring single-track terrain, seven aid stations, and a 20 hour cutoff.

Multi-day trail running at Smith Ranch in Bradley, CA, featuring 5 km, 10 km, 20 km, 24-hour and 48-hour formats on a 10 km dirt single-track loop with aid stations roughly every 3 miles; primitive onsite camping and nightly bonfires.

Test your physical and mental endurance by running ten 5k loops every 2.5 hours over a 24 hour period. This 50k challenge in Tulsa features a paved river trail course and includes on site camping and provided meals.

An urban trail running event in Theodore Wirth Park offering a Half Marathon, 10K and 5K, post-race music and a complimentary Pryes Brewing beverage, plus a family Field Day and race support including fluid stations and bag drop.

Experience a historic re-enactment through the rugged trails of Missouri Headwaters State Park. This unique 7.5 mile run features deep mud, river crossings, and wild Montana terrain for a limited field of 300 participants.

An illuminated night run and walk at Glenwood Gardens with marked trails, a two-loop 3.26 mile run and a one-loop 2 mile walk; the run counts toward Dirt Days Trail Series points and online registration is required.

A 5k trail run at YMCA Camp Manitou-Lin in Middleville, Michigan, featuring single track, fields, and gravel roads as part of Dirtfest Weekend. Completing this run plus two other Dirty Mitten events earns a commemorative piece of swag.

Run through the forested trails of West Branch State Park on the newly designated Buckeye State Trail section. Choose between a full marathon half marathon or 10k while exploring oak forests and lakefront views in Ohio.