Trail Running Calendar United States 2026-2027

Enjoy a donation based trail run through the scenic Ouachita National Forest with 20 mile and 12 mile options. Finish your day with a community cookout and season celebration at the Lake Sylvia Day Use Area.

Trail and mountain bike races take place on singletrack trails along the San Gabriel River in downtown Georgetown. Distances range from a youth one mile to a 50K and the event uses chip timing and marked aid stations.

Trail races in Portland's Forest Park over Memorial Day weekend, featuring Portland's only 50K and a trail half marathon. Routes include the Wildwood Trail and other park trails with significant elevation gain.

West Virginia Trail Fest is a weekend of trail races in Pocahontas County centered on Snowshoe Village. Races from a kids mile to a 100K traverse state parks, historic fire towers, and local landmarks.

The Dark Skies 100K is a point to point trail race from Seneca State Forest to Snowshoe Village, following the Allegheny and Greenbrier River trails and passing Bald Knob and the Green Bank Observatory with about 11,500 ft of elevation gain..

Hurricane Creek offers a half marathon, 5 mile and 5k around Joseph City Park with an out and back, hilly course rising from about 4,200 to 5,100 feet. The event includes a kids mile, packet pickup, awards and finisher medals.

A trail run at Oak Mountain State Park on Saturday May 23, 2026 offering 6 and 12 mile courses. Registration closes May 20, shirt cutoff is May 9, and active military may run free with ID.

An 8 mile uphill race to the historic ghost town of Cerro Gordo near Keeler, California, gaining about 4,600 feet. The event includes aid stations, a mountaintop barbecue and music, shuttle vans, and nearby camping options.

Experience the final 70 miles of the Western States trail during this three day training event featuring supported runs of 19, 20, and 32 miles through iconic canyon terrain and mountain climbs.

A 5K trail run and a virtual 5K organized by the City of Palm Bay at Turkey Creek Sanctuary, with race shirts, medals for the first 300 registrants, on-site packet pickup, and age-group awards.

A 12K trail run on the City of Norton Flag Rock Area Trails in Norton, VA. The ninth annual event raises funds for the Norton Friends and Farmers Market Senior Supplement Program and has registration deadlines in May 2026.

Night trail event at McDowell Mountain Regional Park on May 23, 2026, featuring 50K, 25K, 15K, 10K and 6K on rolling desert singletrack. Courses include stocked aid stations, a cupless policy, crew access at the start and finish, and course..

Experience the diverse landscapes of Caesar Creek State Park with a range of trail races including 5K, 10K, half marathon, and relay options through scenic woods and meadows.

Trail run and walk in Cable on rolling single track through Bayfield County Forest, with 5K, 10K and half marathon options plus age group awards and local homemade bread and jam for all participants.

Test your endurance at this backyard style event in Spokane. Runners complete a four mile loop every hour on a dirt track until only one participant remains standing.

Muddy Dash in Dallas Fort Worth is a family-friendly 5K mud run at Village Creek Motocross Park on May 23, 2026, featuring obstacles, waist-deep mud pits, a pre-party and a post race festival with music, food trucks and drinks.

Experience a historic Kansas trail run featuring creek crossings and rolling native grasslands. Challenge yourself on the famed Suicide Hill with 5K, 10K, Ruck, or team relay options in a scenic rural setting.

A paved ultramarathon on the Foothills Trail in Puyallup, WA on May 23, 2026, offering 50-mile and 50k distances with multiple aid stations, a 15-hour cutoff, and participant benefits from local sponsors.

A multi-hour trail event near Cleveland Tennessee offering 3, 6, 12 and 24 hour races plus a rucking option. The 4.35 mile wooded loop has rolling hills, creek crossings, marked aid stations, and finisher and placement awards.

Trail races in Keene, NH using a 12.5K loop that can be repeated for 12.5K, 25K, 37.5K, or 50K. The course is technical single track and old jeep roads with aid stations, drop bag access, and portable toilets.