Trail Running Calendar United States 2026-2027

A harvest-season 5K trail event at White Barn Farm in Wrentham with off-road terrain, a midway water station, bib pick-up the day before, family Harvestween activities, and a portion of registrations donated to the local food pantry.

A community trail event at Fowler Pumpkin Patch featuring a 5K trail run and 1 mile and 1.5 mile family runs, with proceeds supporting early childhood scholarships and food security programs.

Run a USATF certified 5K cross country course through the historic grounds of Pebble Hill Plantation. This hilly race features varied terrain and supports the preservation of the museum house and estate.

Experience the autumn scenery of Jenkinson Lake at the Trail Run at Sly Park. This event offers distances from a 5K to a 50K ultra on shaded pine forest trails with rolling hills and lakeside views.

A trail event at Acorn Creek Trailhead near Pilot Hill, CA featuring a 10K single lap and a two-lap half marathon across singletrack, creek crossings, and overlooks. The race is limited to 175 runners and benefits the American River Conserv..

Trail races at Lake James State Park near Nebo, NC including a 50K, two and three person relays, and a half marathon. The event finishes at Fonta Flora Brewery and supports local trail development.

Fixed-time endurance events at Liberty Park feature 3 hour, 6 hour, 12 hour and 12 hour relay options on a 1.4 mile paved loop with on-course hydration and team relay entries up to four runners.

A multi-format trail event on the East Lakeshore Trail near Greenback TN featuring 100K, 50K options, a two person relay, and a 25K ruck with required pack weights; course maps, aid station details, and optional live tracking are provided.

A trail event on October 24, 2026 in Washington Crossing Park offering 50K and 25K routes with single-track sections, a technical Rock Hopper segment, multiple aid stations, and set cut-off points; proceeds benefit the park association.

A 24 hour loop endurance race in Williamsburg, VA on October 24, 2026, run on a USATF certified 2.215 mile crushed gravel course. Individual and team mileage are tracked, awards are given for multiple distances, and proceeds support The Arc..

A fall trail race at Mt. Tom State Park on October 24, 2026, with single and relay options from 5k to 25k on rugged single-track terrain. The event supports Kestrel Land Trust and includes aid stations, medical crews, and awards.

Hixon 50 is a two-day trail running weekend in Hixon Forest near La Crosse, Wisconsin. It offers races from a kids event and 5K and 10K up to 25K and 50K on singletrack with Mississippi River Valley views.

Howloween 5K in Schaumburg is a chip timed 5K run or walk at Busse Woods that supports animal shelters. Pets may join without registration and a virtual participation option is available.

Celebrate Halloween with a festive running event in Houston featuring a half marathon, 10K, 5K, and kids races. Enjoy custom medals, designer shirts, and finish line treats with timing for most distances.

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.

A trail race in Bothe-Napa Valley State Park on October 24, 2026 offering Marathon, Half Marathon, 10K and 5K. The single-track course features hills, stream crossings and narrow sections, and the field is limited to 300 runners.

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.

Multi-distance ultramarathon in New Orleans with 50 mile, 50K and half marathon courses finishing at Second Line Brewing. Open-road routes use Strava navigation, stocked aid stations, local-artist awards and a $500 prize for new course reco..

A fall ultramarathon and relay in Rothrock State Forest near Boalsburg, PA. Loop courses on mostly unpaved fire roads offer 50 mile, 50 km and half marathon options with staffed aid stations and relay transitions.