Trail Running Calendar United States 2026-2027

Annual mud run in San Bernardino with a 5K for individuals and teams and a 1K kids race on October 10, 2026.

A community 5K at Duke Island Park on October 10, 2026, run on a flat, paved trail alongside the Raritan River. Proceeds support Family & Community Services of Somerset County, which provides mental health and addiction services.

A one-day trail event at Bluff Creek Park on October 10, 2026 offering distances from 5K to 50K including a 15K ruck. Courses use singletrack loops, aid stations are provided, and participants receive a shirt and finisher medal.

Experience a scenic 5K run on the historic carriage roads of Rockefeller State Park Preserve. Support trail maintenance while enjoying autumn views of Swan Lake and rolling pastures.

Trail 5K and 10K at Chino Hills State Park on October 10, 2026. Registration runs April 6 to August 15 and includes race photos, a shirt and a finisher patch.

A community Breast Cancer Awareness 5K at Hart Park in Bakersfield on October 10, 2026, featuring a scenic park course and post-race food, music, sponsor booths, and giveaways. Registration includes a performance T-shirt, finisher medal, me..

A 6 hour trail challenge in Herriman, Utah where runners repeat a 5K every hour and must finish each lap within the hour to continue. Complete all six laps for a medal, leaderboard ranking, and a chance at national prizes.

A community 5K run and walk at the Iowa Arboretum on October 10, 2026 supporting the Foundation for the BAHS, with packet pickup and dog friendly amenities.

Family friendly 5K and 1 mile fun run through sunflower fields at Fausett Farms in Dawsonville, GA with snacks and a finisher gift.

Black Sheep Race in Bellevue NE features a 10K Ruck plus 10K, 5K, 1 mile and family runs with packet pickup and a post-race pancake breakfast.

First annual 5K on October 10, 2026 at North Clackamas Park Complex in Milwaukie on a flat mostly paved course with proceeds supporting local nonprofits.

Family friendly inflatable fun run in Goddard with two laps through 11 giant obstacles called Airmageddon; registration includes an event shirt and finisher medal.

Trail races in Nevada City on October 11 2026 include a 13.1 miles half marathon, a 10K and a 5K with mixed terrain, aid stations and views along Deer Creek. Organized by Sierra TrailBlazers and Bear Yuba Land Trust.

Trail running at Mohawk Mountain Ski Area with 5K, 10K, half and marathon routes on ski slopes and state forest, cupless aid stations and finisher medals.

Point to point trail races on the Bizz Johnson Trail in Lassen National Forest featuring a USATF certified Boston qualifier marathon, a 50K, an Express half and a 10K with remote starts and aid stations.

A single-loop trail half marathon through five parks in lower Westchester County, New Rochelle. Most of the course is on dirt and wooded trails and passes through areas with visible wildlife.

On October 11, 2026 the HFC Striders Cross Country Festival returns to Wayland for its 20th running, featuring 3K youth races across age groups and two 5K open races, with awards and proceeds benefiting Wayland High School.

A fall trail run at Lake Elmo Park Reserve with 10K, 5K, a kids fun run and a double up option. Aid stations are provided, leashed dogs are welcome, and the day concludes with a bonfire and pancake breakfast.

Experience a unique trail event at Milkhouse Brewery in Mount Airy featuring a 5 mile race and timed ultra challenges. Complete as many loops as possible over four or eight hours on this scenic farm course.

Trail runs and a 1-mile walk at Fox Hill Nature Preserve on 10/11/2026, held to support conservation in the Cedar Lakes region; varied distances include 5K, 10K, a 1-mile walk, and a Kiddos 1K.