Trail Running Calendar United States 2026-2027

Trail running event in Auburn, CA on September 27, 2026 offering half marathon, 12K and 5K distances with start and finish at Overlook Park and much of the half on the Western States Trail.

A 10 miles trail race in Holtwood, PA, over rocky, hilly trails with stream crossings and scenic overlooks. Chip timed, with aid stations, a strict 2.5 hour cutoff to mile 7, and one way bus transport to the campground start.

An annual community 5K run and walk at Agricultural History Farm Park in Derwood, Maryland on September 27, 2026, organized by MD District 15 Democratic Caucus. Offers adult and youth entries plus a free youth option with an accompanying ad..

Bike, run, or walk on the Lamoille Valley Rail Trail in Morrisville, Vermont. Proceeds support services for healthy aging in Central Vermont including groceries, emergency fuel, prescription assistance, and exercise classes.

Join this trail event at Minooka Park featuring half marathon 10K and 5K distances. Participants can choose between running walking and rucking on a scenic course with shaded trails and a notable hill challenge.

A trail running event in Gardiner, NY offering a 5 km run, an optional 10 km two-lap route and a 200 yard kids run, with pre registration T shirt incentives and a sneaker recycling program.

A 3.1-mile race at Shelburne Farms on 09/27/2026 with a course that mixes gravel paths (not loose), wooded trails, fields and dirt roads. Field limited to 200 racers; registration through Racevermont.com includes a finishers medal.

A half marathon across Pleasant Mountain's ridge on September 27, 2026 in Bridgton, ME. The course uses technical single track trails and includes tiered entry fees, a tech shirt, meal ticket and a finisher medal.

A dog friendly fundraising event at Bellevue State Park on September 27, 2026 featuring a scenic 5K and a one mile Mutt Mile, with race timing, awards for dogs and people, vendors, a costume contest, and merchandise.

Trail races at the Assabet River National Wildlife Refuge in Sudbury MA include a 10K, a 30K and a 6 hour timed event. The course uses dirt and gravel double track trails with two aid stations and cupless fueling.

A race day at Jay Blanchard Park on 09/27/2026 with distances from a 50 m kid's dash to a 13.1 mile half marathon, chip timing for main races, event shirts and medals, plus volunteer and virtual options.

Experience the full reservoir trail system on this thirteen mile course in Fredericksburg. Runners navigate flowing singletrack and five distinct climbs totaling over nine hundred feet of elevation gain through scenic wooded terrain.

A student-run trail event on September 27, 2026 at George Whittell High School in Zephyr Cove, Nevada. It features a 5K trail and an 800 meter kids' fun run, with natural trail features, student-designed shirts sold separately, and no pets..

Run the scenic Katy Trail with 5k 10k or half marathon options followed by a celebration at The Wine Cafe featuring whiskey sampling coffee and local donuts in St. Charles.

A third annual off-road 5K on a historic family farm in Soddy Daisy, Tennessee, with a course through sunflower fields and pastures and views of the Blue Ridge Mountains.

A community run at Shedd Park in Lowell offering a 5K, a 10K trail run, and a 1 mile kids loop, with trails, on-course support, family activities, and proceeds benefiting local conservation and education programs.

A trail running event at Teacup Ski Trail System on Sept. 27 with a new course and three distances, including youth and kids races. The route features lake views, varied terrain, one water station, and on-site parking and restrooms.

A fall trail event in Buena Vista, Colorado on September 27, 2026 offering a 14K trail race with over 500 feet of elevation gain and a 5K along the Arkansas River. Both races start and finish at Vendor Village near the Eddyline Beer Garden.

Trail running in Whitneyville, Maine on 27 September 2026 with an 8 mile race and a 2.5 mile run or walk through the Machias River Preserve. Courses feature singletrack and riverside sections plus post race awards and a potluck.

Trail races in Northfield, Vermont featuring a 6k Anchor Challenge, a 7.5 mile summit course and free youth races, held at the Norwich Shaw Outdoor Center to raise funds for local trail management and university cross country.