Trail Running Calendar United States 2026-2027

The Blue Mountain 30K is a 30 kilometer trail race near Missoula, Montana. The 18.6 mile loop gains 3,600 feet and passes through ponderosa pine forest and flowering meadows, with the field capped at 200 entrants.

A multi day trail running series in Montana during summer 2026 with 5K to 50K distances plus half and full marathons at West Yellowstone, Seeley Lake and near Butte. Participants receive a custom medal, bib and aid station support.

The 17th Annual Waterloop Trail Run in Honor Heights Park, Muskogee features trail distances from a 1-mile fun run to a 15k, with water features on course and early-registration pricing and a guaranteed t-shirt for entries by June 28.

Mud Mountain Trail Fest is a trail running event at Mud Mountain Dam in Enumclaw, Washington on July 11, 2026. It offers a 4 Miler and a 10K on forested trails described as moderately challenging.

Trail run at Rudy Mines in Owensboro offering a 10K and a 1-mile kids run; all finishers receive medals and top three men and women in the main race earn awards.

Wild Hope Trail Race on July 11, 2026 at White Oak Lake State Park offers trail distances from a one mile fun run to a half marathon with a ruck division. Proceeds support church planting and tabernacle construction in West Africa.

Trail race at Cannonsburg Ski Area near Belmont, MI, offering 5K, 10K, 25K and 50K on loops that include single-track and a climb on the ski hill. Organized by Switchback Endurance; a tech shirt is included for registrations by June 25.

A prairie trail run and walk at Lapham Peak State Forest in Delafield supporting prairie management. The event features grass hiking and mountain bike trails, shirts for the first 100 participants, awards for run winners, and on-site regist..

A repeat-lap trail event in Enoree, SC on July 11, 2026 where runners may complete up to ten 5K laps, each offered at regular intervals. Organized by G.O.A.T. Trail Running, the format has no eliminations or official podiums.

The Flock of Flamingos will take place in Parma on Saturday 11 July 2026. You can run 5 miles.

A trail race at George Wyth State Park offering team and individual 10K and a 5K on scenic hard trails, with official timing and top three place awards in each category.

An all-ages glow run through the Snoqualmie Tunnel on the Palouse to Cascades trail with LED lighting, two participant waves, onsite merch options, and a post-race outdoor block party with food, games and drinks.

A multi-race trail weekend in Copper Harbor and Eagle Harbor, Michigan with a 6 km hillclimb, 10 km trail events, a 2 km junior run and a 25 km adventure race plus age group awards and weekend honors.

A trail running event in West Yellowstone, MT on July 11, 2026, organized by Wolf Pack Adventures. Multiple distances from 5K to 50K are offered with published entry fees and online registration ending July 11, 2026.

A half marathon in Auburn, CA that mixes running with extreme ironing. Participants carry their own boards and irons, perform recorded ironing stops at specified local sites, and must be entirely self-supported.

A trail 5K at Byron Forest Preserve with chip timing and awards by age group, plus a 1 mile Fun Run with a participation medal. Parking and indoor restrooms are available onsite.

A 5.7 mile loop on mostly dirt roads with a 450 ft climb in the first three miles and a gradual descent, held July 11, 2026 at Rumney Memorial School in Middlesex, VT.

A 5K and 10K held at Nottoway Park in Vienna on July 11, 2026, with in-person and virtual entry options; published registration fees vary by entry date and include mandatory charges.

A single loop chip timed 5 km trail through Quiet Valley Living Historical Farm, passing ponds, pastures, orchards and a covered bridge. Awards include overall and masters winners plus top two finishers in each age group.

Cross-country and endurance races at Fair Hill in Wilmington, DE on July 11, 2026. The event is listed as a MASS XC & Endurance Race and the listing includes calendar files for major platforms.