Trail Running Calendar United States 2026-2027

Weekend trail races at Hueston Woods State Park on May 16 and 17, 2026, featuring half marathon, 10K, 5K, a six hour timed event, a 20K relay, and a Pack Pass good for all 2026 events.

Run into the 1980s with The Cobra 5Kai, 10Kai & Half Miyagithon along the LA River Path in Canoga Park. Costume friendly, with throwback tunes, a finisher’s medal and plenty of crowd energy; crane kicks encouraged.

Discover the inaugural Hood Mesa Trail Run in Farmington, NM, where flowy singletrack winds through Lion's Wilderness Park. Choose 5, 9, or 15 miles of scenic desert trails and enjoy a fun, low key day on the mesa.

Run scenic Marshall Mountain in Missoula with a team relay, solo 25K, 5 mile race and kids run. Expect rugged climbs, chip timing and a festive finish with pancake brunch, vendors and fundraising for Friends of Marshall Mountain.

Trail races at Sunderbruch Park in Davenport, IA featuring approximately 5k and 10k single-track courses, cup-free aid, race swag and a potluck with bacon and beer. Online registration only with waitlist and a deferral option.

On May 16, 2026 Vermejo Charcoal Burner offers gravel bike routes from 41 to 99 miles plus a gravel half marathon at Vermejo Park Ranch. Courses run on private ranch roads with aid stations and limited cellular coverage.

Take on the Susquehannock Trail Ultra in Coudersport PA on May 16, 2026, an 83 mile single track challenge with over 14,000 ft of climbing. Rugged navigation and remote aid stations make this a true endurance test with a 36 hour cutoff.

A 5k at Hangar 3 in the Hatbox Sports Complex, with a start and finish through the hangar doors, wooden finisher medals for all runners, cedar awards for top finishers, and guaranteed shirts for registrations by May 1st.

Trail races of 2 mile, 5 mile, and 10 mile take place at Briar Chapel Great Meadow Park in Chapel Hill on May 16, 2026. Courses start on pavement then move to single track with rock and root sections and include a free kids race and post ra..

Experience a scenic 14 mile loop around Vallecito Reservoir at the Vallecito Lake Heavy Half Marathon in Bayfield, Colorado on May 16, 2026. Limited to 250 runners, this fundraiser features varied terrain, pro timing, and a cupless, low imp..

Trail marathon and half in Orem, UT, returning to the original route at Timpanogos Park. The marathon includes 5,883 feet of elevation gain and almost the entire route is mountain trail and fire break roads.

Pound the Mound at Blue Mounds State Park in Luverne MN on May 16, 2026 offers 30 mile, 20 mile, and 10 mile distances. Registration closes May 9 and sign ups by April 30 guarantee a shirt; the event includes a Stampedeer recognition progra..

Join the Dandelion Dash Trail on May 16, 2026 in Petoskey for a scenic fundraiser supporting Petoskey Children’s Nature Preschool. Choose a timed 5K, family fun runs or a virtual 5K and enjoy trails, race shirts and community spirit.

Join the Bursting Bubble 5K Walk & Run on May 16 for a compassionate community run that honors varied grief journeys. Enjoy reflection at the Wall to Remember, bubbles, music and family fun while you support Chasing the Rainbows.

A trail event in Delafield, Wisconsin offering half marathon, 10K, 5K, ruck options and a Kiddos 1K; proceeds benefit Tall Pines Conservancy and courses use marked park trails.

A community 5 km run and a one mile kids run in Bethel, Maine on May 16, 2026, supporting after school and enrichment programs in MSAD 44. A virtual 5 km option runs May 1 to May 16 and youth entries are free.

Supported hikes on the C&O Canal and the Appalachian Trail raise funds for Micah's Backpack and the Refugee Welcome Network. Options include 5K, 10K and longer challenge distances with route support and a post hike lunch.

Trail races in Lebanon, Indiana offering 4, 8 and 12 mile out and back courses on the paved Big 4 rail to trail with wooded and open sections, plus post-race refreshments, giveaways and awards for top finishers.

Trails around Corral Canyon Campground in Campo, California, offer 5, 9, 14 mile and 50K options on rocky, sandy and dirt routes with marked trails, on-course aid stations, and a first come, first served dry campground at the start.

Trail races at Camp McClintock near Bartlesville use a 5 mile loop and include distances from 5K up to 50 miles, plus ruck options. The event offers free photos, a military discount, child entry benefits, and volunteer credits.