Trail Running Calendar United States 2026-2027

A 5K at Robinson Preserve in Bradenton on June 13, 2026, offering participant t-shirts, snacks and post-race hotdogs, age-group awards for male and female finishers, and a guided pre-race stretch session.

A trail running event at Mansfield Hollow State Park offering a 15.7 mile out-and-back on the Nipmuck Trail and a new 5K course entirely inside the park. Proceeds support Connecticut trail stewardship groups.

Tackle the Tahoe 100k, a 62.9 mile ultramarathon from Stateline NV through high Sierra singletrack and alpine ridgelines. Expect big climbing to nearly 9,800 ft, stunning views of Star Lake, and a 24 hour cut off.

Run from mountain to meadow at Lolo Pass, Montana, choosing a half marathon or scenic 10K across gravel roads and forest trails with sweeping Bitterroot views. Finishers get a tank top and a post race BBQ to celebrate.

Run the scenic Old Zoo Half Marathon in Griffith Park, Los Angeles on June 14, 2026, with half marathon and 12K options on mostly flat trail courses. Enjoy a commemorative elephant finisher medal, music and postrace refreshments.

Join the 24th Dewey Beach Patrol 5K on June 14, 2026 for a scenic run along the bay that supports the Dewey Beach Patrol. Chip timing, age group awards, and a festive post race party with food and beer make it a must for local runners.

A long-running set of races through the 300-foot sandstone formations of Garden of the Gods Park, featuring a 10 Mile road race, a 10K road race, and a 10K trail run with a common finish at Rock Ledge Ranch.

A seven-race trail series in Oconomowoc from April to October 2026 offering 5K, 10K, half-marathon, walking and ruck options, cupless events, age-group scoring and finisher Woodles.

A 5k run and 5k walk in Marienville on June 14, 2026, staged from the Bike/walk trailhead. T-shirts are guaranteed for signups by May 31, 2026 and the course is described as flat and fast.

Trail runs at Waverly Park in Louisville from June 14 to June 28, 2026, include a 6 mile and a half marathon with in person and virtual options. Finish three series races to earn a cryptid medal and survivor shirt.

A chip timed 5k at Mackinaw Valley Vineyard and Winery on June 14, 2026 featuring a two lap cross country style course, race swag and a wine pour, with age group awards and a virtual participation option.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

A mid-June 5KM trail race at French Regional Park in Plymouth Minnesota on a runnable, rolling loop of soft, non-technical ski trails. The event uses chip timing, is limited to 425 runners, and includes post-race pizza and refreshments.

A three day mountain stage race in Kodiak, Alaska featuring three distinct summit courses, aggregate timing for overall results, USATF sanctioning and charity bibs that fund local nonprofits.

A multi-day mountain running event at Palisades Tahoe from June 18 to 21, 2026 featuring multiple distances, high-alpine terrain with ladders and a via ferrata, youth competitions, and $150,000 in prize money for select races.

Run the Burney Mountain 100, a 100 mile loop from Burney Mountain Guest Ranch through Lassen National Forest and Thousand Lakes Wilderness. Rugged trails and 15,000 feet of climb lead to sweeping views of Mount Lassen and Mount Shasta.

TedDriven Overland Ultra Relay is a three day stage race based at Leavenworth where teams of up to eight run scenic alpine, orchards and lakeshore legs. Combine daily times as a team and celebrate with a captain's dinner and lakeside finish..

Night trail races of 27K, 13K and 6K through ponderosa pines at Fort Tuthill County Park in Flagstaff, with marked multi-loop courses, aid stations, live timing, camping options and finisher medals.

A two-day mountain trail event near Dayton, WY offering four distances including a 100-mile out-and-back with extensive elevation change and remote technical terrain. Entries are non-transferrable and no refunds after March 31, 2026.

A 50 and 100 mile ultramarathon near Galax, Virginia run on a one mile loop with about 500 feet of vertical gain per loop. Aid and hot food are provided each loop and onsite camping and shower facilities are available.