Trail Running Calendar United States 2026-2027

A 24 hour trail event at Mohawk Mountain Ski Area in Cornwall Connecticut featuring a Double Kuwohi route of about 28 miles and 13,685 feet of elevation. Participants may run, hike, or walk.

A 30 hour loop ultra at Roosevelt Forest in Stratford CT on a 2.23 mile course with roots, rocks and a notable hill. Field limited to 50 runners; completing 45 loops within 30 hours earns a finisher buckle.

Take on a 10 mile intown trail through shaded pine and hardwood at Southside Park in Atlanta on Oct 3 2026, with twisty singletrack, steep descents and creek crossings. Proceeds support MTB Atlanta and local trail stewardship.

Multi-distance trail event at Tryon Farm in Michigan City on October 3, 2026. Participants run or walk repeated 4 mile loops across grassy fields, single track dirt trails and short paved sections with a main station and unmanned aid.

Trail race at Swiss Valley Nature Preserve near Peosta, Iowa, run on a 5.2 mile loop with significant elevation gain; distances include 5.2 miles, 25K, and 50K. Camping, free showers, and shuttle service are provided.

A 104 mile out and back ultramarathon in Export, Pennsylvania, following the Westmoreland Heritage and West Penn trails through October colors. The route gains 7,392 feet, features staffed aid stations, and gives all profits to the trail co..

A 10K road climb in Norton, Virginia with more than 2,000 feet of elevation gain to the 4,200 foot High Knob summit. The 13th annual event takes place October 3, 2026.

Two days of mountain running and an outdoor festival in North Bend, WA, featuring a 30 km skyline race with 6,300 ft of vertical gain, a Vertical Kilometer, a 10k to Little Si, and a two day double with limited entries.

A point to point all-trail ultramarathon along the Hennepin Canal State Trail in northwest Illinois offering 100 mile, 50 mile, 50K and a 100 mile team relay with stocked aid stations and a 30 hour cutoff.

Experience a scenic trail run through the Red River Gorge on a private looping course. This cup less half marathon supports local search and rescue teams while offering a festive atmosphere with medals and post race meals.

Experience a rugged trail race through the Adirondack forests and wetlands of Amy’s Park. Enjoy scenic views and a community after party at a local brewery while supporting land conservation for Lake George.

Sage Burner Trail Race in Hartman Rocks near Gunnison, Colorado features 50K, 28K and 15K courses across slickrock, singletrack and doubletrack with wide mountain views and a high desert climate.

Experience the autumn colors of Idaho with a Half Marathon or 55 km Ultra Marathon through the rugged trails and high alpine peaks of Sun Valley.

Trail races at Dana Peak Park near Stillhouse Hollow Lake in Harker Heights Texas offer looped courses from 10K to 100K with notable climbs and staffed aid stations. Hydration device required; pacers permitted for the 100K second loop.

Run The Woods is a trail event at Timber Pointe Outdoor Center in Hudson, IL featuring 5K and 8K races with youth divisions and a one mile untimed trail walk. Proceeds benefit Easterseals Central Illinois and Timber Pointe Outdoor Center.

Trail events at Rock River Heritage County Park on October 3, 2026 include a timed 5K with chip timing and a guided 2.4 mile walk, plus a park celebration with music, food trucks, tastings, and raffles.

A field and trail running event in Millersburg, Ohio on 10/03/2026 featuring a 5k and a 0.5 mile timed kids run, held the same day as Charm Days with food, a pony parade, auctions and local sales.

The 34th Annual OXFORD Classic in Bend adds a Community 5K at Drake Park on 10/03/2026. The flat loop follows the Deschutes River on grass and paved paths and registration is free.

A weekend trail running festival at Bear Creek Lake Park offering 100K, 50M, 50K, half marathon, 10K and 5K on mostly singletrack terrain with looped courses, aid stations, drop bags, and controlled crew and pacer rules.

A family-friendly 5K mud run at Cycle Ranch Pro in San Antonio on October 3, 2026, featuring obstacles, waist-deep mud pits, a pre-party with a DJ, and a finish-line festival with music, food and beer.