Trail Running Calendar United States 2026-2027

Oakland Cubs Back2School 5K and Fun Run on August 16, 2026 in The Meadow, Oakland supports a youth running team and its scholarship programs, with a kids fun run and 5K trail race options.

A community 10K and a 1 mile kids race through the redwoods in Felton, California, starting and finishing at Roaring Camp Railroads. The event supports the local business and community association and includes a pancake breakfast.

A 5K around Lake Padden in Bellingham on August 16, 2026, organized by Happy Tails Happy Homes to support animals in need. The route circles the lake on grass and trails with wooded sections and a few short hills.

Epiphany Cross Country in New Bern on August 17, 2026 features separate girls and boys 5K races. Entry has no fee and registration was recorded on December 7, 2025.

Experience a hilly 5k trail race through the scenic Lory State Park. Enjoy a low key atmosphere followed by pizza, beverages, and a vintage race shirt in this midweek summer series event.

A four‑race midweek trail series at Lory State Park in August 2026 offering 5k, 10k and 12k courses with varied elevation. Series and per-race registration, post-race food and drinks, and end-of-series awards for top points scorers.

A 5K cross country race at Penitentiary Glen Reservation in Willoughby on August 18, 2026. The course mixes grass fields and crushed limestone trails, with separate races for male and female competitors and open entry for kids and adults.

Weekly trail races at Catamount Outdoor Family Center in Williston, VT, with 5 km, 2.5 km half lap, and a cubbies category for ages 5 and under. Events run rain or shine with a stated thunder and cancellation policy.

Explore the scenic trails of Monroe County during this four part mid week race series. Enjoy chip timed runs through various local parks along with post race cookouts and custom series participant awards.

A multi-day challenge at Snow Mountain Ranch where runners repeat a 10 mile loop to cover as much distance as possible within a 60 hour window, with lodging, meals, coaching and recovery services included.

A new 200 mile loop ultramarathon in the La Garita mountains near South Fork, Colorado, featuring riverbank start, high alpine sections to just under 13,000 feet, pine forest and tundra terrain before returning to South Fork.

A four mile out and back run on the NCR Trail starting from the Paper Mill parking lot in Cockeysville. This weekday evening event is part of the Baltimore Road Runners Club Grand Prix Series.

The Augúst, Montana's second oldest footrace, holds its 58th running in Helena on August 20, 2026. A 5K trail race presented as a minimalist fundraiser for local high school cross-country teams.

A two day trail event at Silver Mountain Resort in Kellogg, Idaho featuring a 13K with over 2,000 feet of climbing and a 2 mile course, gondola access to the start, a vendor village, swag and giveaway prizes.

A team relay at Crystal Mountain on August 21-22, 2026 featuring three alpine trail loops, a mid-race gondola ride, and views of Mt. Rainier. Multiple team formats are offered, plus on-site camping and glamping at Ragnar Village.

A monthly Friday evening 5K series at Arizona Falls with live chip timing, three collectible desert-themed medals, and a virtual option. The events raise funds for Child Crisis Arizona.

Trail races at Camp Ondessonk in Shawnee National Forest on a figure eight loop of mostly single track and rugged terrain. Distances range from a half marathon to 100 miles with staffed aid stations and on site lodging.

Fixed-time ultras of six and twelve hours take place on a 500 meter flat gravel loop at historic Nardini Manor in Buckeye, Arizona. The event features an on-course aid station, cupless refills, crew zones, and onsite parking.

A trail half marathon in Hood River, OR on Aug 22, 2026, featuring about 2,300 ft of elevation gain, two aid stations, a cup-less policy, and finisher prize bags plus bonus prizes.

A multi-distance trail event in Falmouth, Maine featuring technical single-track loops through Lowell Preserve and North Falmouth Community Forest. Entry requires a recent nonprofit donation in addition to registration fees.