Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 3982 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Eleventh Annual Trick or Trot is a Halloween costume trail 5K supporting the Meridian Band Department at Meridian Early College High School in Sanford, Michigan. The event includes costume prizes, awards for top finishers, glow in the dark..

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.

An 8K trail run through Weedon Island Preserve with mangroves, salt marsh and Tampa Bay views; race proceeds support the Friends of Weedon Island and include a technical shirt, timing and awards.

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.

Multiple distances from 5K to 100 miles run on the Prairie Spirit Trail near Ottawa, KS. The crushed limestone course has manned aid stations about every 5 miles, drop-bag access, finish buckles, and permitted pacing for the final half.

A 5K trail run in Fairview, Tennessee on October 24, 2026 supporting Love One International, which provides life saving medical treatment to children in Uganda. Registration opens April 24 and the entry fee is $40.

A community run at Ives Farm hosted by Cheshire Community YMCA and Cheshire Land Trust. Features a trail 5K, a youth Y Cup relay with elementary teams, a free Pumpkin Dash for young children and family fall activities.

A themed, untimed trail event at Camp Anderson on October 24, 2026 where runners wear flag belts and navigate zombie zones. The event features runner and zombie roles, costume encouragement, awards, and proceeds benefiting local organizatio..

Timed 5K and 10K trail run and walk at Red Wolf Sanctuary in Rising Sun, Indiana, with courses through waterways, wetlands and past wildlife enclosures and proceeds supporting the sanctuary's conservation work.

Trail trail races at Hueston Woods State Park on October 24 and 25 2026 offer distances from 5K to a multi-loop 50K, plus a six hour event; courses are timed with aid stations, medals and postrace refreshments.

A rugged half marathon on Santa Cruz Island featuring oak canyons, five creek crossings, steep climbs and exposed ridge running. Organized by Ventura County Sheriff’s Search and Rescue, proceeds benefit SAR charities and entry includes boat..

A Halloween themed night trail event at Oak Mountain State Park with 13 Miler and 6 Miler loop courses, required headlamp and hydration, post race pizza and music, plus awards and costume prizes.

A trail event at Camp Greenough offering a 5K loop, a 10K two-loop option, and a six hour endurance challenge. Participants may run or ruck with specified weight standards and complete as many closed-course loops as they choose.

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