Trail Running Calendar United States 2026-2027

Mud Factor returns to Brookdale Farms in Eureka, MO on June 6, 2026 with Adult and KIDZ Family Waves, required signed waivers and photo ID for adults, and a $10 cash spectator fee for festival access.

Discover the Greenway 5K+ on June 6, 2026 features a 3.5 mile course along the Wolf River Greenway in Memphis supporting the Wolf River Conservancy. Awards cover overall, masters, and age groups and fundraising benefits local conservation.

A free, limited-entry trail run in Phoenix that follows Dreamy Draw into the Phoenix Mountain Preserves with a Piestewa Peak summit. The course is partially marked, technical, lightly supported, and manually timed.

A summer half and full marathon through shaded sections of Pennypack Park alongside Pennypack Creek, with disposable chip timing, multiple aid stations, finisher medals and a German-themed post race party at Ed Kelly Amphitheater.

A looped trail race in Lee Canyon on Mt Charleston with solo, relay and virtual options across multiple distances, hot food and onsite amenities, and high alpine scenery around 7,500 feet.

A rugged 23K mountain race in Tamworth, New Hampshire, with about 4,800 feet of climbing and a summit loop over 3,478 foot Mount Chocorua. The technical route includes exposed trail sections, stream crossings, and mandatory safety gear.

A Last Runner Standing race in Roxton, TX, with a course shaped like an exclamation mark. Competitors run five mile circuits called EXCLAMATIONS and must complete each circuit within one hour to continue.

A non-profit, ninja-warrior style obstacle course run in Mullica Hill, NJ featuring a roughly 4-mile course with 12 tiered obstacles, team scoring by obstacle tiers, and proceeds supporting clean water projects.

Experience an inclusive trail running event at Richard Bong State Recreation Area. Choose from five different timed options ranging from three to twenty four hours on a scenic course with rolling hills.

A timed trail festival in Maryville College Woods with 24hr, 12hr and 6hr events on a 2-mile loop, plus relays, night options, chip timing, on-course aid, and a paired double-ultra medal option.

Experience a seasonal trail run through the natural twists and turns of Saw Wee Kee Park. Complete this bib timed race to earn a piece of the 2026 series medal and enjoy the summer landscape.

FORGE is a 12 hour backyard ultra near Swinomish Casino in Skagit County, WA. Runners complete a 4.167 mile loop each hour; finish all 12 loops for 50 miles. Awards include trophies and a $500 prize for fastest cumulative time.

A three-race trail series in Park City from June 6 to August 1, 2026, featuring 5K, 10K and a half marathon. Entrants may choose individual races or the full series and a group discount is available for four or more.

A trail ultramarathon near Beulah, Colorado, traversing the Wet Mountains with 50 and 101 mile options. High elevations and 22,500 ft of climb, limited to 75 entries per distance and no refund policy.

The Dirty Half is a 13.1 mile trail race near Bend, Oregon on June 6, 2026, featuring an initial paved section that leads into dirt and single track through National Forest land. Registration has regular and late pricing and every finisher..

Experience a trail race along the largest inland beach in Ohio at Alum Creek State Park. Choose from distances ranging from 5K to a half marathon or join a relay team to run through scenic shale cliffs.

A community 5K on June 6, 2026 in Joliet along the Rock Run Greenway Trail with start and finish at Cemeno's Pizza. Proceeds benefit the Pat Clark Cancer Foundation to support local cancer patients and families.

Into the Woods Trail Run Series at Asbury Woods features 4, 5, and 6 mile trail races across packed dirt, boardwalk and single track. The summer event includes a youth run and free childcare, and a three race bundle offers a discount and gi..

A multi distance trail event at Canyon Park featuring a 7.8 mile lakefront loop, extensive course markings, and on course aid stations. The race is organized with W O R D and supports the Great Springs Project.

A trail event in Humboldt Redwoods State Park on June 6, 2026 offering 30K and 10.5 mile courses that climb Grasshopper Peak and finish in a grove of old growth redwoods. Online registration closes June 3.