Trail Running Calendar United States 2026-2027

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

Join this weekly trail running series at the Catamount Outdoor Family Center featuring distances from 5k to 10k. There are special categories for children and water stations available on site for all runners.

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.

Experience a midweek evening trail run through the diverse terrain of Bowdoin Park. This 5 mile race features a mix of grass and rocky trails with awards for top finishers and a food drive for the local pantry.

Experience the mountain scenery of Washington with a half marathon, 10K, or 5K hill climb. Enjoy multi race challenges and a scenic gondola pass at Crystal Mountain Resort while exploring the terrain near Mount Rainier.

A 100 mile trail race in Easton, WA with about 23,000 feet of climb, roughly 32 miles on the Pacific Crest Trail, and a 2.3 mile passage through the Snoqualmie Tunnel. Entry was by lottery with results posted January 21, 2026.

A 100 mile mountain ultramarathon in Ouray, Colorado, with 41,862 feet of elevation gain, mandatory pre-race volunteer service or a $100 opt out fee, live SPOT tracking, cash prizes subject to drug testing, and a steep final climb to the Br..

Experience a high school style cross country meet in Carterville featuring a 5k course on grass and gravel. Join as a team or run solo in this evening event with awards for top individuals and teams.

Experience the rugged beauty of the Illinois River Bluff at Camp Wokanda. This summer trail event features distances from a half marathon to 100 miles on technical, wooded single track with significant elevation.

Experience a high altitude 100 mile loop through the Colorado Rockies featuring 23,300 feet of gain. Run across alpine passes and historic ghost towns on the Continental Divide and Colorado Trails within a 37 hour limit.

Experience one of America's oldest 100 mile ultramarathons featuring 17,000 feet of climbing through the Green Mountains. This historic event supports Vermont Adaptive Ski and Sports and uniquely includes a concurrent horse race.

Experience an obstacle course race at Michigan's highest vertical ski resort. Choose between 5K and 10K distances featuring steep climbs and rugged trails just 20 minutes from Grand Rapids.

Experience trail running through an active working farm in Winona Minnesota. Choose from five distances ranging from 5k to 43k with no cutoffs for the longest event.

A backyard ultra in Holly, Michigan with repeated 4.167 mile loops on trail and a night road loop. Self supported runners may use crew; on-site prizes include awards for the winner and reduced entry options for assists.

Take on the McCoy Flat Death Race in Vernal, Utah on July 18, 2026, a repeated 4.1 mile lap endurance test in the high desert. Start each lap on the hour and run until one remains while enjoying shirts, swag, medals and per lap cash prizes.

A multi-distance trail endurance event on the Tahoe Rim Trail held July 18-19, 2026, offering 23K, 50K, 100K and 100 Mile options. The races are ITRA qualifiers with published time cutoffs and support local trail and community programs.

Experience an iconic Alaskan backcountry marathon from Girdwood to Eagle River. This self supported race features glacier views, technical trails, and a major river crossing through remote mountain wilderness.

A multi-distance mountain ultra in Tellico Plains with 130K, 70K and a new 24 mile Waucheesi Vert Challenge, routed on Benton MacKaye and John Muir Trail corridors and featuring on-course aid stations and live YouTube coverage.

A night trail race in the Green Swamp near Dade City offering a *30K* mixed-terrain course with aid stations every 3 to 5 miles, a Berm drop-bag zone, post-race potluck, and awards for overall top finishers.

OCR OVERLOAD features a 4.3-mile obstacle course with over 23 challenges, including a massive 140-foot rig. The event also includes a 5-mile trail run and a timed ninja sprint. Post-race food and drinks are available.