Trail Running Calendar United States 2026-2027

A point to point ultramarathon from Crested Butte to Aspen covering about 40 miles and over 6,000 feet of climb, held as a fundraiser for Crested Butte Nordic with mandatory safety gear and on course aid stations.

A 9.4 mile mountain race at Arapahoe Basin on September 5, 2026, with 2,211 feet of ascent across summer roads, established singletrack and new high alpine trails. The field is capped at 700 and the course uses White River National Forest t..

Test your endurance at Pineland Farms in Maine with this backyard ultra trail race. Run a 4.2 mile loop through pristine wooded trails and see how many laps you can complete in this last person standing format.

Experience high altitude trail running in Taos Ski Valley with races reaching up to 12,481 feet. Choose from a marathon, two half marathons, or a 10K featuring steep alpine climbs and single-track ridges.

Experience a scenic 3.3 mile trail run or hike through the Oswegatchie Hills Nature Preserve. Support local land conservation while enjoying a timed course around Clark Pond followed by an awards ceremony with refreshments.

Trail Animals Running Club hosts a multi distance trail event at Great Brook Farm State Park on September 5, 2026. Looped 10K and 10 mile courses cover distances from 10K to 50 miles, plus a youth fun run and a Yeti Mischief Mile.

The The Sneffels Round will take place in Ouray on Saturday 5 September 2026.

Trail races in Pine Valley, California on September 5, 2026 offering 50 kilometer and 15 kilometer options. Both races have fixed cutoffs, marked trails with frequent ribbons, staffed aid stations, and specific rules for pacers, crews, and..

A multi-distance ultrarun on a 25 mile loop at Camp Tuscazoar near Dover, Ohio, featuring daylight and night options, cupless aid, drop-bag support, pacer rules for longer distances, and distance-based cutoff times.

Timed 4-hour and 8-hour trail events on a roughly 3.15 mile loop at Cedar Bend Park near Waverly, Iowa, with a staffed start/finish aid station and awards for top finishers on September 5, 2026.

A six hour timed night trail event at Franke Park in Fort Wayne where participants complete as many full laps as possible on a loop of paved path, gravel and single track. Lap counts are recorded on a whiteboard and electronically.

A community-focused Backyard Ultra at Sedgwick County Park where runners complete repeated 4.167 mile loops until one runner remains. One hundred dollars from each registration supports Family Promise of Greater Wichita.

Experience an off road adventure at Panther Creek State Park featuring half marathon and 10K trail distances. Run through wooded loops and scenic lakeside paths in this established Tennessee trail series event.

Muddy Dash in Butler at Switchback MX on September 5, 2026 features mud obstacle courses, a festival area with music and competitions, Value and VIP registration options, packet pickup the day before, and free spectator admission.

Trail races at Camp Manatoc on mostly single track, technical trails with hills and quick turns. Distances include Half Marathon, 15k, and 5k; dogs are allowed and donations benefit Camp Manatoc.

A rural ultra in Booneville, Iowa that runs through the Bridges of Madison County. Distances range from 10K to 100 mile, with marked ultra courses and limited crew support introduced for 2026.

Experience a scenic trail race through Camp Mt. Luther with 5k and 10k double loop options. This event features a kids fun run, finisher awards for all participants, and supports a local cause in memory of Rev. Glenn Heasley.

A trail race in Montour Woods near Coraopolis, PA offering Half Marathon, 20 Mile, and 50K routes on twisty singletrack with marked aid stations, notable vertical gain, and timing by Miles of Smiles.

Take on a scenic one mile loop at Lapham Peak with 24, 12, and 6 hour timed options or set distance goals like a marathon or 50 miles. Lighted night laps, a stocked aid station, and a welcoming club vibe make every lap count.

An obstacle and mud focused 5K at Golden Spike Event Center in Salt Lake City on September 5, 2026. The course features mud pits, walls, ropes and monkey bars plus a pre race and post race festival with vendors and food.