Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4076 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A 5K on October 24, 2026 at Stratham Hill Park that runs along Great Bay and benefits Great Bay Stewards; the mostly downhill course includes a race shirt for timely registrants and a bib with a beer or cider coupon.

Trail race at Bothe Napa Valley State Park on October 24, 2026 offering marathon, half marathon, 10K and 5K. The course runs on narrow trails with streams and hills and the field is limited to 300 participants.

Experience the seasonal beauty of Clayton County at the Pony Hollow Trail 15K and 5K. Run through the historic Motor Mill park area and enjoy the autumn foliage on this established trail course.

A night trail run at Explore Park on October 24, 2026, using a 3.6 mile mountain bike XCO course run in reverse with a short 0.25 mile road approach. Headlamps are mandatory and the trail is marked with reflective arrows and glow sticks.

A road ultramarathon and half marathon in New Orleans on October 24, 2026, offering *50 mile*, *50K* and *half marathon* distances. The open course is marked and supported by aid stations, finishing at Second Line Brewing with awards and a..

A 50 mile ultra plus 50 km, half marathon, and relay teams from 2 to 8 runners through Rothrock State Forest near Boalsburg, PA on October 24, 2026, with staffed aid stations and support vehicle options for ultras.

A one-day trail running festival in Gurley, Alabama offering a 5K, 25K and 50K across mountain single-track with significant climbing, aid stations, local landmarks, and proceeds supporting childhood cancer research.

Community cross country style runs at Woods Park in Lincoln with a 1 mile youth option and a multi-loop 5K, post run food trucks and planned food bank donations.

A marked trail competition in Prince William Forest Park offering a 25 km one loop and a 50 km two loop option with on course aid stations. Entry opens September 15, 2026 and the field is limited to 110 runners.

A Halloween-themed 5K trail run/walk at Meridian Early College High School in Sanford, MI supporting the Meridian Band Department. Chip timed with costume prizes, awards for top finishers, glow-in-the-dark medals and goodie bags.

Oakland Hills Trail Run features 10K, half marathon and 35K courses through Redwood Regional Park with technical trails, marked routes, aid stations and chip timing. The event is cupless and limited to 330 runners.

On October 24, 2026, the New Hope Wesleyan Ultra Trail Run offers four trail distances at O'Bannon Woods State Park, featuring single-track forest trails, rocky sections, notable elevation changes, aid stations, timing, and awards for top f..

A costumed community event at Lincoln Park featuring a trail 5K, kids dashes, and a virtual shirt option to support South Seattle College Cooperative Preschools. Registration includes a Monster Dash shirt and the 5K includes a timed bib.

The 14th Annual Gopher Weedon 8K Trail Run on October 24, 2026 follows 8 kilometers of dirt and boardwalk trails through Weedon Island Preserve, with professional timing, refreshments and proceeds benefiting Friends of Weedon Island.

A volunteer-run 5K and 8 mile race along the Shoreline Trail in The Colony, Texas, with crushed granite surfaces, chip timing, race day amenities, and proceeds that support UT Southwestern cancer research.

A community fundraising trail event at Crozet Park offering a 5K, a limited 10K with a creek crossing, and a 0.75-mile family run. The day includes T-shirts, a pancake breakfast, a post-race festival, live music and proceeds for local trail..

Trail races at Stable View in Aiken include a marathon, half marathon, 10K, 5K and kids 1K through forested longleaf-pine terrain. The event features finisher medals, shirts, awards, costume categories, rest stops and a conservation focus.

A fourteen hour, fifty mile looped ultra near Decatur, Texas that supports suicide awareness and mental health. Runners may enter individually or as teams of four for a timed endurance effort.

Two trail races, 50K and 25K, take place at Mammoth Cave National Park on October 24, 2026 starting from Bell's Tavern Pavilion. The crushed gravel out and back course has ascents and descents, cupless aid stations, and limited entries.

Trail races at Millican Reserve in College Station include a half marathon, 10K, 5K and a short kids run on single-track trails, with aid stations, finisher medals, age-group awards and post-race food.

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