Trail Running Calendar United States 2026-2027

A fall trail event in Harvard on October 25, 2026 featuring a 5K through orchard and woods plus a 1 mile kids fun run, with age divisions, awards, shirts, and proceeds benefiting the Harvard Conservation Trust.

A chip timed 5k run or walk at Spencer Farm Winery on October 25, 2026 with a mostly grass cross country style course and a wine pour at the finish. Registration includes a T shirt, collapsible wine glass and finisher medal.

A 5K Run / Walk and Kids Fun Run at Hallock State Park on October 25, 2026, with a virtual 5K option. Proceeds support the Long Island Greenway and include a post-race wine crawl with vendor specials for participants 21 and over.

An age-group graded 5.5-mile trail race at Frances Slocum State Park on October 25, 2026, run mainly on grass and earth. Pre-registration is required; the entry fee is $10 and online registration closes October 23.

Inaugural Barnyard Squatch 5K in Blairstown NJ, a hilly 5K trail that passes rescued farm animals with donations supporting The Barnyard Sanctuary.

A stadium stair-climb at Gillette Stadium raising funds for Homes For Our Troops, covering about 5,184 steps in the lower bowl with individual, team, and fundraising options.

A three-race off-road series in North Carolina featuring single-track trail runs across Eno River, Uwharrie, and the Mountains-to-Sea Trail with multiple distance options and series awards based on total mileage.

A fall running event in Garrison NY with a half marathon, a 5K and a 3/4 mile kids run on trails and roads through the Hudson Highlands.

Trail races at Cuivre River State Park on October 25, 2026 with half marathon and 8-mile options, bluff views, creek crossings, and limited field of 400 runners.

A trail race at Eno River State Park on October 25, 2026 offering 6 and 11 mile courses over technical single-track with rocky, root-filled terrain. Participants receive custom race swag, refreshments, and awards for top finishers.

Halloween-themed 5k and 10k at Indian Fields Tavern/5 Fields Brewing Co. with costume judging, official timing, finisher medal and a finish-line beer.

A flat **6 Miler** in Shelby Park, East Nashville on October 25, 2026, with packet pickup options, HOKA prizes, and a chance to donate to local nonprofits.

A 12-mile trail race along remote sections of the North Country Trail in Cook Forest State Park with one aid station and shuttle-access parking.

A multi-distance ultramarathon at Lake Perris featuring 10, 20, 50, 100 and a demanding 200 mile race with looped courses, aid stations, camping and cash prizes for top finishers.

An evening team relay in Ten Trails where teams of one to three hunt and return six hidden ghosts in Civic Park; free registration, prizes for fast finish, best team name, and best costume.

A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.

Multi-distance ultraruns on rugged single-track at Wilson State Park with substantial elevation gain and looped 20 mile laps. The Pure Hell 140 requires a prior 100 mile finish and has a 52 hour cutoff.

A last runner standing backyard ultra at Prehistoric Trackways National Monument with hourly 4.167 mile loops, aid station support, camping and awards.

A Halloween themed nighttime run and walk at Lake County Fairgrounds in Crown Point on October 30, 2026. The event features a 5K and a non timed shorter course, costume prizes, awards, and entry to the Hometown Hocus Pocus Market.

A self supported 135 mile trail race in Griffin GA over ten 13.5 mile loops with 20,000 ft of climbing, strict no crew rules and a 48 hour cutoff.