Trail Running Calendar United States 2026-2027

This summer series offers Tuesday evening fun runs in Redding, CA. Each week features a different local park or route with two distance options. A punch card registration includes a special 20th anniversary T-shirt.

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 STRS Horseshoe Gulch Grind in Breckenridge with short and long course options. This trail event offers categories for adults and youth starting from the Blair Witch Trailhead.

Trail races at Crystal Mountain near Mount Rainier on July 17 and 18, 2026, include a 5K hill climb, a 10K downhill and a half marathon. Registration includes an all day gondola pass and the weekend offers an expo, camping and race photos.

A 100 mile trail ultramarathon near Easton, WA featuring about 23,000 feet of climbing, roughly 32 miles on the Pacific Crest Trail and a passage through the 2.3 mile Snoqualmie Tunnel. Entry was by lottery and participants must meet trail..

A 100 mile mountain ultramarathon in Ouray, Colorado, featuring about 41,862 feet of elevation gain and 14 climbs. Entrants must complete volunteer service or pay a $100 opt out; top finishers face drug testing for cash prizes.

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.

An endurance loop event at the Pinetum in Lowell Park, Dixon IL, using a 0.411 mile paved loop. Participants choose 6 hour, 12 hour, or 24 hour formats and track their own laps with tents allowed in the loop center.

A multi distance trail event in mid July at Camp Wokanda near Chillicothe Illinois, featuring shaded single track, significant elevation gain, aid stations with hydration and free camping near the start finish area.

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.

An annual July ultrarunning event in the southern Green Mountains offering 100 mile and 100 km courses with about 17,000 feet of climbing. The race includes a concurrent horse competition and raises funds for Vermont Adaptive Ski & Sport.

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, using repeated 4.167 mile loops in a Last Person Standing format. Options include an Oak Flats 3HR entry and a virtual race; the winner may earn a Silver Ticket toward USA national backyard team consider..

An endurance elimination race on July 18, 2026 at McCoy Flats Trail Head, Vernal, Utah. Competitors run repeated 4.1 mile laps each hour, must finish each lap within the hour, and the last runner earns cash per lap.

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.