Trail Running Calendar United States 2026-2027

A point to point trail race of about 10.5 miles through Lolo National Forest along the Clark Fork River on 10 April 2026. The finish is at Quinn's Hot Springs Resort with post-race food, drinks and hot pool access; dogs are not allowed.

A 5k trail run and a 0.3 mile youth loop held at Boal City Brewing in Boalsburg on October 4, 2026, with marked trails through estate driveways, preserves, and farm fields. Awards will recognize overall and age group finishers; participants..

A fourth-annual trail event at Glenroy Preserve with looped 5 mile, 25K, and 50K courses featuring mixed technical terrain, multiple creek crossings, four aid stations, and post-race food and beer for 21 plus.

Trail races in Groton, Massachusetts on October 4, 2026, organized by local running and trails groups. Two distances, 9.5 miles and 3.4 miles, total entries limited to 250, online registration closes October 3.

Experience a classic cross country race on the trails of North Park during the autumn foliage season. Enjoy 20k, 10k, and 5k distances featuring handmade bamboo medals and traditional folk dancing.

A Bigfoot Running Company event at Northeast Lakeview College in Live Oak offering races from a kids dash to a half marathon, a pre race costume contest, aid stations, chip timing for select distances, and a post race rally with music and a..

Run through 300 acres of scenic vineyards on a flat trail course in Peconic. Enjoy live music, food trucks, and a post-race glass of wine at this chip-timed autumn event.

Run by the Sea at Wilder Ranch State Park on October 4, 2026 offers a Half Marathon, 12K and 4K run/walk along mostly flat packed dirt trails with coastal bluff and Monterey Bay views. Organized by the Santa Cruz Track Club; proceeds benefi..

Trail event at Catalina State Park on October 4, 2026 offering a 9.3 mile course with a 2.75 mile out-and-back and a 5K on nature and bridal trails.

100K trail race in North Bend, PA with over 13,400 ft elevation gain, a lollipop course that reverses yearly, no crews or pacers, and a 19 hour time limit.

Trail 5K and 10K in South Williamsport on October 4, 2026 featuring mixed singletrack, one aid station at Green Bridge, with proceeds to the Think Big Pediatric Cancer Fund.

A 26.4 mile trail marathon in Ashford, CT on October 4, 2026 with rugged terrain and a two-person relay option.

Trail event on Moscow Mountain offering 50K, half marathon, and 5 mile courses on mostly single track with aid stations and drop bag options.

A flat, scenic marathon and half-marathon on the Greenbrier River Trail in Pocahontas County, West Virginia, held October 4, 2026, with proceeds supporting trail maintenance.

Keene Family YMCA Fall Foliage Trail Races feature 5K and 10K trail courses starting and finishing at the Keene YMCA, with chip timing, age-group prizes, and proceeds supporting YMCA programs and access.

A Halloween themed community event in Aspen on October 4, 2026, with a timed 5.6K run and a 1 mile walk around Koch Park and Marolt open space. Leashed dogs are welcome and net proceeds benefit the Friends of the Aspen Animal Shelter.

Join the annual Run Stanley event at Stanley Park for a variety of trail races including a 5K K9 run and an accessible 1 mile stroll. Support local wildlife sanctuary maintenance while enjoying a community day in the park.

Experience a unique trail run through 1600 acres of former prison grounds at Laurel Hill Park. Choose between 5.4 or 10 mile distances on scenic singletrack featuring historic guard towers and open meadows.

Trail races at Fallen Leaf Lake near South Lake Tahoe featuring a half marathon, 10K, 5K and a noncompetitive half mile for children, aid stations and recycled shirts.

Experience a technical trail event in Highlandville featuring 5k, 10k, and half marathon distances. Participants enjoy a hilly course followed by a post race celebration with local craft beer and walking tacos.