Trail Running Calendar United States 2026-2027

A loop-based running event at Limestone Park offering 8 hour and 4 hour races on a 1.65 mile course with mixed crushed limestone and asphalt terrain. Scoring is by completed loops and proceeds support local organizations.

Community 5K and walk on the Karst Park Greenway Trail with a free 1-mile kids' fun run, chip timing, awards, t-shirts for early registrants, and proceeds supporting future Ellettsville events.

A community run on September 19 2026 at Western Navajo Fairgrounds in Tuba City Arizona with 3K 5K and 10K routes plus a free 3K walk. Proceeds support the Tuba City Regional Health Care cancer treatment center.

Experience an obstacle course run featuring a 5k course through woodlands and shallow water at Camp Albemarle. Choose between a timed competitive heat or a flexible untimed race with over 20 strength and agility stations.

Tap into the Trails offers 5K and 10K routes from downtown Cheboygan on pavement and crushed limestone. The event uses local state trails and directs proceeds to support trails in northern Michigan.

A community 5K and 10K on the Keuka Outlet Trail in Penn Yan with start and finish at Cascade Falls. Courses pass Seneca Mills Falls and the 10K reaches the former Fox Mills site; shirts and medals included.

A 5k fundraiser in Telluride on the morning of Saturday, September 19 that supports the Telluride Adaptive Sports Program. The route starts and ends at Elks Park with river trail views and post-race music, beer and yoga.

Remote mountain ultraruns near Cle Elum WA offering 100 mile, 50 mile and 50K routes on rocky trails with large elevation gain. Mandatory kit, spaced aid stations, and a trail work or donation requirement apply for 100 mile entrants.

A 5K mud and obstacle run at Honda Hills in Thornville, Ohio on September 19, 2026, open to all ages. Participants must bring a signed waiver and adults must show photo ID; spectators are admitted to the festival area for a cash fee.

An untimed trail ascent in West Jefferson with about 5 miles and 1,600 feet of climbing, summit music and refreshments, custom bells for finishers, and a portion of fees donated to the Blue Ridge Conservancy.

A 50 mile single loop and a half marathon through Porcupine Mountains Wilderness State Park on September 19, 2026, featuring remote, technical trails, steep climbs, limited access, and staffed aid stations.

Johnson Branch Legacy Run in Valley View TX features a 15K trail, a 10K ruck march, and a paved 5K as part of the park's 30 year celebration. Park day pass is included in the race entry and packet pickup is at the Nature Center.

A community Pride Run at Coldstream Park on September 19, 2026 featuring a chip timed 5K with awards and a 1 mile fun walk. Proceeds support local LGBTQ+ school programs and related resources.

A fantasy themed 5K walk and run at Magnuson Park with mixed trail surfaces, Villain Zones, and a Heroes Village; costumes encouraged and leashed dogs and strollers welcome.

Operation Obstacle is a timed 2 mile obstacle course on September 19, 2026 at Richland Community College that raises awareness and funds to address veteran suicide.

A trail event at Quarry Park and Nature Preserve on September 19, 2026, offering a 5K, a 2-mile walk and a kids 1K, followed by a beachside celebration with refreshments.

Trail runs at Long Ranch Park in Carson City on September 19, 2026, with 6K, 12K and 22K options. Aid stations offer water and snacks but runners must bring a bottle; there are no division awards.

A community road and trail event in Fresno on September 19, 2026 offering 10K, 5K, 2 mile, and kids quarter mile races beside the San Joaquin River while supporting Pediatric Trauma injury prevention at Valley Childrens Hospital.

An annual trail event at Pinecrest Academy offering a 5K trail run, a three-lap 1 Mile kids run, and a donation-only Ghost Runner option, with finisher medals for all and age-group awards.

The 51st Fitch Mountain Footrace in Healdsburg features 10K and 3K courses through downtown, neighborhoods and along the Russian River. The event raises funds for Corazón Healdsburg and a kids running team.