Trail Running Calendar United States 2026-2027

Test your stamina in Dayton at this 12 hour endurance event. Run or ruck across a flat 2.7 mile loop consisting of grass and trail double track to earn your finisher medal.

Experience the wooded trails of North Ottawa Dunes in this community trail run featuring 10K and 5K courses. Finishers receive a unique locally grown pumpkin medal to support local charitable organizations.

Experience a scenic 5K trail run or walk through pine forests and restored prairies in Lowell. Enjoy live folk and rock music along the route followed by fresh homemade cinnamon rolls.

Fineview Step Challenge in Pittsburgh on October 3, 2026 features 2 mile and 5 mile courses that climb 12 public staircases with over 1,600 steps including a 371 step set on Rising Main Avenue. Proceeds support Fineview Citizens Council pro..

Navigate through Waubonsie Park using maps and instructions to find checkpoints in this final series race. Participants can compete solo or in teams for a self supported five mile orienteering challenge.

A 25 kilometer trail race at the Edwin L. Smith Preserve in Kennebunkport on October 3, 2026, with proceeds supporting the Kennebunkport Conservation Trust. Registration is capped at 100 and a shirt-included cutoff is on September 5.

Ninth annual trail event at Deep Lake Campground near Middleville, MI. Distances include 10k(ish), 25k and 50k on rolling single track loops, with camping options and an included long sleeve tech shirt or race buff.

Experience a trail half marathon on San Bruno Mountain featuring 2,400 feet of elevation gain and stunning views. Enjoy a scenic route with 93 percent trail coverage followed by a post race meal and finishers medal.

A multi-distance trail event on the Castle Rock ridgeline featuring a family obstacle run plus 5K, 10K, half marathon and 50K. Timing, aid stations, shirts and medals are provided and the course reaches about 6,700 feet.

Honor history at the Mogadishu Mile, a four person team obstacle course and one mile ruck run in Georgetown. Work together to complete 500 total reps and a weighted run without leaving any team member behind.

An endurance run in Boling Park, Canton, GA offering 8 hour and 12 hour timed runs on a roughly one mile crushed gravel loop with one aid station, electronic lap counting, and completion awards.

Trail race near Dahlonega, GA offering a 50K of three approximately 10-mile loops with 5000 feet of elevation and a half marathon single loop. Mostly runnable single track with waterfalls, stream crossings and three aid stations.

A trail running event at Rocky Branch Park with on-site and virtual 5K and 10K options; timing uses bib chips, participants receive a branded T-shirt and sticker, and proceeds support the Pancreatic Cancer Action Network.

A multi-sport weekend in October combining trail running, fly fishing, and craft beer at Yellow River State Forest near Harpers Ferry, Iowa. It features a mostly flat five mile trail run, catch and release trout fishing, and fundraising for..

A trail running event in Girdwood, Alaska on October 3, 2026 offering marathon, half marathon, juniors half, and a 5K across local trails. Five aid stations, a marathon cutoff at Crow Creek Road, and proceeds support the Girdwood Nordic Ski..

The 8th Annual WQMX 5Kay offers a 5K run and 1 mile walk across unpaved Rufener Hilltop Farms in Mogadore, Ohio, with medals by age group and proceeds supporting WQMX Bosom Buddies for free mammograms.

Goliathon XXIV is a nonprofit Ninja Warrior style 3.5 mile obstacle event at Gloucester County Fairgrounds in Mullica Hill NJ. It features 12 obstacles with three selectable tiers and raises funds for clean water projects.

Trail-based five mile race and two mile fun walk at Camp Innabah in Spring City, PA on October 3, 2026. Proceeds support summer camping programs and scholarships, with a pancake breakfast and awards for overall and age groups.

Two marked trail courses start and finish at Camp 4 Coffee in Crested Butte South. Routes are 10.04 and 19.26 miles over single track, dirt and some paved road; the event is fully self-supported on Gunnison National Forest land.

A road and trail race day in Pooler, GA featuring a 1-mile fun run, 5K, 10K, half marathon, and a Memorial Ruck with a 35 lb requirement; 25% of registration proceeds support the Effingham Navigators nonprofit.