Trail Running Calendar United States 2026-2027

Trail running event on October 31, 2026 at the Greenbush trail system near Glenbeulah, WI. Choose a 5K one loop or a 10K two loop course; chip timing is provided and a park sticker or daily pass is required.

A costumed 5K trail run and walk at Van Scott Nature Reserve on October 31, 2026 with in-person and virtual options to raise awareness for Pregnancy and Infant Loss Awareness Month. Includes a costume contest, water stations, and family act..

Approximate 5K trail fun run at Shepard State Park in Gautier MS supporting Pink Heart Funds to aid local cancer patients; walkers welcome.

Trail event at Sleepy Hollow State Park offering a single 4.167 mile loop or a 12 hour backyard ultra of repeated laps with chip timing and live results.

Community focused 36 hour trail festival at Catamount Outdoor Family Center with two repeatable loops of about 3 and 4 miles, donation based entry and long distance buckles.

5th Annual Mackyard Ultra is a race by the Baltimore Road Runners Club on October 31 at Shawan Downs in Cockeysville, MD with a $20 entry fee and a 100 runner limit.

Scenic 5 km and 10 km races through Burke Lake Park on October 31, 2026, with in-person and virtual entry options; walkers and strollers are welcome.

Trail races at Cane Creek Park in Waxhaw NC on October 31, 2026 with 4M, 8M, 25K and 50K options and a single $45 entry plus on-course aid.

A Halloween morning trail race in Swan Valley, Idaho featuring a 50K with 6,000 ft gain and a half marathon with 2,700 ft gain.

A small community 2.5 mile trail run at Thorne Head Preserve on October 31, 2026, with river views, a fall breakfast, and proceeds supporting local trails.

A costumed, timed 5K trail run at Wells Reserve at Laudholm on October 31, 2026 that raises funds for coastal conservation and restoration.

A Halloween-themed 5K and 1 Mile at Arasapha Farms in Glen Mills that benefits the Edgmont Township Fire Company No.1, with timed 5K results, commemorative shirts, safety costume rules, and a monster costume contest.

A Halloween event in Philippi WV offering a rugged 5K with trail obstacles and a separate 1 mile fun run. Runners use flag belts while actors portray zombies along parts of the trail.

A Halloween themed community run on October 31 at the trail at the Epic in Grand Prairie. Options include a 5K, a 1 mile fun run, a volunteer then run option, and a costume contest with a prize.

Outlast Cleveland is a 6 hour trail endurance challenge in Garrettsville, OH where runners complete a 5K every hour for six rounds. Finish all six to earn the OUTLAST medal and a place on the national leaderboard.

The Sand Harbor 5K and 10K will take place in Sand Harbor on Saturday 31 October 2026. You can run between 5 and 10 kilometers.

A community event at Strawtown Koteewi Park with a live 5K, 1 mile walk and a virtual challenge, timed live races, participant t-shirt and medal, and proceeds benefiting the Hamilton County Sheriff’s Office Community Foundation.

Trail race in Farmersville TX on Oct 31, 2026 featuring 5K, 10K, half, marathon, 50K and a 10K ruck on dirt and gravel.

A Halloween themed 5k and 10k through historic downtown Erie and Coal Creek trails, with a kids Goblin Run and BOLDERBoulder qualifier status. The event supports the Erie Optimist Club as its primary fundraiser.

The IHSAA Foundation's inaugural Run it Forward 5K at LaVern Gibson Course in Terre Haute supports education-based athletics while runners complete a timed 5K on the championship course.