Trail Running Calendar United States 2026-2027

Love Yourself First Masquerade 5K is an in-person and virtual run and walk on October 3, 2026 in Missouri City, TX. The themed event focuses on domestic violence awareness, solidarity, and creating a space for education and healing.

Test your endurance at this 24 hour event featuring a scenic 3.1 mile loop through rolling hills and forest trails. Enjoy full support with an extensive aid station and on site camping while supporting the Lions Bear Lake Blind Camp.

Fall Harvest 5k is a trail 5 km race at Claude Moore Park in Sterling, VA on October 3, 2026. The event includes an in-person 5K and several virtual entry options, and published fees include mandatory charges; promo codes are not accepted.

A fundraising run on October 3, 2026 at Harborcreek Community Park in Erie, PA featuring a 5K and a 1 mile fun run walk to support the Haven 2 Home program; entry fees and race shirts are listed.

A six-hour trail challenge in Littleton where runners complete a 5K each hour for six hours, totaling 18 miles if completed. Trail terrain, hourly elimination, tiered patches and medals, and national leaderboard prizes highlight the format.

Trail races on the Brook Hill trails in Bullard, Texas offering 5K and 10K distances on October 3, 2026, with professionally marked courses and on-course support.

A community trail event in Valparaiso with a single-loop 5K and a two-loop 30K team relay hosted by local firefighters, featuring chip timing, aid stations, and team results.

A 5K family trail run and a 1K kids fun run at Model High School in Rome GA supporting the Model-Johnson Foundation, with race shirts, age group awards, and professional timing.

Goliathon is a 3.5 mile Ninja Warrior style nonprofit obstacle course at Gloucester County Fairgrounds in Mullica Hill NJ. The course has 12 obstacles with three selectable tiers and proceeds support clean water projects.

Trail races at General Butler State Resort Park in Carrollton Kentucky include 5K, 10K, half marathon, a six hour loop challenge, and a 20K relay. The course runs on park trails with an overlook of the Kentucky and Ohio Rivers.

Trail races at Brighton Ski Resort feature a roughly 12-mile half marathon with significant climbing and a 5K around Lake Mary, single aid station at Twin Lakes dam, training plans offered, race shirt and prizes for top finishers.

A last-person-standing backyard ultra on October 3rd, 2026 where a $100 bill is added to the prize jar each lap; the winner and runner-up split the accumulated pot 75/25 and 24 laps earns a 100-mile buckle.

Experience the scenic beauty of Pocahontas State Park at this trail festival featuring a loop course 10k and half marathon. Enjoy runnable trails and professional timing in a picturesque Virginia forest setting.

A **10.6 mile** point to point trail race along the Clark Fork River in Lolo National Forest, finishing near Ferry Landing. Post race food and hot pools are available at Quinn's Hot Springs and entry includes chip timing, shirt, drop bag an..

Experience the autumn foliage during a scenic trail run through the historic Boal Estate and local nature preserves. Enjoy a festive atmosphere featuring a hills course for adults and a short loop for children.

Trail races at Glenroy Preserve on October 4, 2026 offering 5 mile, 25K, and 50K loops with mixed and technical terrain, multiple creek crossings, four aid stations, chip timing, and post-race refreshments.

Trail races in Groton, Massachusetts on October 4, 2026, organized by local running and trails groups. Two distances, 9.5 miles and 3.4 miles, total entries limited to 250, online registration closes October 3.

Experience a classic cross country race on the trails of North Park during the autumn foliage season. Enjoy 20k, 10k, and 5k distances featuring handmade bamboo medals and traditional folk dancing.

A Bigfoot Running Company event at Northeast Lakeview College in Live Oak offering races from a kids dash to a half marathon, a pre race costume contest, aid stations, chip timing for select distances, and a post race rally with music and a..

Run through 300 acres of scenic vineyards on a flat trail course in Peconic. Enjoy live music, food trucks, and a post-race glass of wine at this chip-timed autumn event.