Trail Running Calendar United States 2026-2027

An obstacle and mud focused 5K at Village Creek Motocross Park on August 15, 2026, featuring mud pits, walls, ropes and 11+ obstacles, plus pre race and post race festival areas, packet pickup, vendors and on site parking.

Test your endurance at the Tuff Enuff Trail Run in Woodway Activity Park. Part of the Huaco Cuatro Series, this event offers scenic 5K and 10K courses alongside a flexible virtual option for all participants.

A multi-distance trail race festival in the Olympic National Forest near Quilcene, WA offering 100K, 50K, 25K, 10K and ruck divisions with significant elevation, mostly single-track courses, staffed aid stations and on-site camping.

A community eight hour loop run at Crandall's Pavilion in Tolland, CT, organized by the Shenipsit Striders. The free event features repeated roughly 5K trail loops, potluck food, and an optional donation jar.

A mountain trail event in Cloudcroft, New Mexico, featuring a 53K plus 9.5 mile, 4.75 mile and a 1 mile Kid's Dash. The out-and-back Rim Trail course includes a summit loop for the 53K, aid stations, chip timing, and finisher shirts and med..

A 50-mile loop through Upper Logan Canyon starting and ending at Beaver Mountain Ski Area on Aug 15, 2026. Hydration requirements, flexible early starts, camping at Beaver Mountain, and Bear 100 automatic entries for top finishers are noted..

A trail event in Midland City Forest featuring a 10K, 5K and 1 mile walk that benefits local animal shelters. Chip timing, leash-required dog participation, a mid-course water station, and post-race refreshments.

Trail runs of 3.5 miles and 7 miles at Seven Lakes State Park with chip timing, shirts, medals and age-group awards; a virtual 5K option includes shipped race items and a finisher medal.

An evening running event at Chambers Bay in University Place, Washington offering 5k, 10k and half marathon distances on a paved loop with varied terrain, aid stations, race-day packet pick-up, and event swag.

Trail run at Southwestway Park on August 15, 2026 offering 5K and 15K courses that overlook the White River. The event is the final race of the 5K and 15K DINO Trail Run Series with GPX files and course maps provided.

A mostly dirt and trail race along Boulder Reservoir in Boulder, Colorado, with about 200 feet of elevation gain. Distances range from a 10K to a full marathon, plus a relay option.

Muddy Dash in Philadelphia on August 15, 2026 is a family friendly mud run at DREAM Park with a 5K course featuring obstacles, mud pits and slides. The event includes a pre party and an after party with music, food and drinks.

Trail ultras from Roxborough State Park to Sharptail Trailhead featuring sustained climbs, technical singletrack, and a long runnable finish, with full aid support and an emphasis on land stewardship.

An ultramarathon in Lockport, NY on August 15, 2026, following the Erie Canal towpath with 100 mile, 50 mile and 25 mile options. Start area at Wide Water's Marina includes aid stations, showers and on-course support.

Trail races at Fahnestock State Park near Cold Spring, NY on Aug 15, 2026. Distances include 50K, 25K, and a 5.5-mile option on mixed dirt roads and technical single track with on-course aid and a post-race meal.

An endurance festival at Fort Loudoun State Historic Park in Vonore, TN on August 15, 2026 offering 24, 12, 6, 6 ruck, and 3 hour formats, a ruck division with set weights, awards, and a cash prize for a new 24 hour record.

A two day trailrun at Angel Fire Resort featuring a 5.2 mile summit ascent and a 10.4 mile up and down race on singletrack with about 2,000 feet of climbing.

Experience a technical mountain race in Palmer featuring a 5000 foot vertical gain over 8 miles. Navigate steep ridges and alpine tundra from Government Peak to the historic Independence Mine in this point to point Alaskan challenge.

A 10 km trail race at Battelle Darby Creek Metro Park through prairies, fields and riparian forest. ORRRC members run free while non-members pay a modest fee; check-in with a timing chip is required and service dogs only are permitted.

Night Claw is a nighttime trail event in Glen Rose, Texas with options from 4 miles to timed 4, 6, and 8 hour races plus a 10K ruck. The course uses Dinosaur Valley State Park trails with rocky single track, a river crossing, and notable el..