Trail Running Calendar United States 2026-2027

Explore the trails of Upland Hills Farm and Bald Mountain State Recreation Area. This school fundraiser features a 1-mile, 5K, and 10K run with student-made medals for all. Enjoy free snacks, a raffle, and a festive farm atmosphere.

Experience a scenic 6.1 mile trail race through the Big South Fork National River and Recreation Area featuring sandstone bluffs and waterfalls. This exclusive event is limited to 100 runners and offers over 1000 feet of elevation gain.

Test your limits at Horseshoe Lake State Park with an escalating weight endurance event. Complete multiple loops of a five mile course where the load increases every time until only one person is left.

Kick off the trail running season in Eagle, Colorado, with a 14K or 6K race through scenic pinyon groves and single track trails ending with a festive afterparty.

Experience the single track trails of the Issaquah Alps at Rattlesnake Ridge. Choose between 5k, 5.8 mile, or Half Marathon routes featuring forest climbs and scenic views of the Snoqualmie Valley and Mt Rainier.

Experience an adventure run at Snow Ridge Resort featuring a 5K course with 2000 feet of vertical elevation. Choose from individual races, team heats, or dedicated youth obstacle courses in the scenic Tug Hill Adirondack Region.

Test your endurance at Whispering Pines Park with a unique adventure race featuring a 5K run, swimming, and a Jeep push. Join as an individual or part of a team to support community wellness and educational initiatives.

Experience the spring blooms at Bristol Woods County Park during this hilly trail run and hike. Support local environmental education while navigating scenic dirt paths through the Pringle Nature Center.

Experience a local themed race in Indianapolis with distances ranging from a Kid's Dash to a Half Marathon. Enjoy chip-timing, finisher medals, and treats at the finish line for a complete event experience.

A fundraising 4.45 mile run and walk in Sumas, WA on mixed road and trail with steep climbs, descents and obstacles. Proceeds support a local family facing a rare neurological condition. Participants must be 16 or older.

Challengers tackle a 6 mile climb gaining 2000 feet of elevation to reach the South Rim of the Black Canyon. Choose between a timed run or a scenic walk ending with a mountain breakfast and park views.

Run or walk a 5k on the Southern New England Trunkline Trail in Franklin. This event supports the development of an abandoned rail bed into a multi use path connecting local communities.

Test your resilience in this 24 hour endurance challenge in Annapolis. Set your own mileage goals to honor military heroes while enjoying provided meals and a community trail running environment.

Celebrate the eighth annual Trillium Spring 5K in Canton or participate virtually from anywhere. Join over 500 runners at the brewery to support Girls on the Run Greater Boston with races for adults and children.

Join this annual run and walk through the scenic habitat of the Columbia Whitetail Deer in Skamokawa. Support local youth programs by choosing from 10k, 5k, or 2 mile distances with your favorite canine companion.

Experience a messy and exciting obstacle course at the Phoenix Raceway. Run, crawl, and slide through up to 3 miles of mud with friends and family in this outdoor adventure.

A point to point half marathon on May 17, 2025, descending from Mt Umunhum to the Hacienda Entrance in Almaden Quicksilver County Park. The route is about 13.4 miles with aid stations, toilet facilities, marked trails, and a 5.5 hour time l..

Point to point trail races in Winthrop, Washington on May 16 and 17 2026. Choose 50 mile, 50 km or 25 km courses that finish lakeside at Big Twin Lake Resort with shuttle transport to the starts.

Armadillo Trail Run at Reveille Peak Ranch is a spring 10K on winding, technical singletrack featuring narrow trails, slickrock and cactus. The event uses gun timing and is held within a Spartan OCR festival weekend.

Experience high altitude trail running at Big Bear Mountain Resort with a scenic 10k course. Run through pine forests and technical singletrack while enjoying expansive views of the Southern Sierra.