Trail Running Calendar United States 2026-2027

Trail races at Brighton on July 29 and August 26 with short and long mountain courses starting at the Alpine Rose. Both routes use single track and service roads and finish near the base of the Great Western lift.

A *5K* trail race on White Cloud High School’s cross country course, routed through woods and fields with both flat and hilly sections. The event is held at the elementary school behind the high school in White Cloud, Michigan.

STRS #4 - Tom's Baby on July 29, 2026 takes place at Tom's Baby Trailhead in Breckenridge, CO, offering short and long course entries with adult, youth, and non-binary categories and published entry fees.

A community trail run in Bedford, New Hampshire on July 30, 2026 featuring a 5 km course with age-based categories and fees, online registration with a noon deadline, and options to donate or buy merchandise to support the Rotary Club of Be..

A three day 75 mile stage race around Lake Sunapee with an added 50K point to point option. Technical trails, organized overnight camping and aid stations, duffel transport, and published prize money for 2026.

An annual ultramarathon in the Black Hills of South Dakota on the George S. Mickelson Trail. Races include 100 mile, 50 mile, 30 mile, 20 mile, and a 30 mile CrossFit relay option.

A point to point relay across Colorado, the Wild West Relay covers 200 miles and 36 legs from Fort Collins to Steamboat Springs over two mountain passes. Teams of various sizes can compete and each team carries a GPS tracker with app suppor..

An evening road race at Lower Arroyo Park in Pasadena on Friday, July 31, 2026 offering 6k and 12K distances with post-run tacos and drinks for local SoCal runners and friends.

Two days of trail races at Bogus Basin include a Hill Climb finishing at Shafer Butte and five and ten mile courses. Proceeds support Ridge to Rivers and a youth discount is available.

A night trail running event at Land Heritage Institute in San Antonio offering multiple distances including 50K and a 17K ruck option. The course is on dirt trails with aid stations, finisher medals, and event shirts.

An inaugural 4 mile event on July 31, 2026 at Iron Horse Trail in Alliance, Ohio, with in-person and virtual 4 mile options. Registration runs March 28 to July 24 with a $35 fee and includes a bib, shirt, and medal.

Evening trail races in Kansas City KS with 5k and 10k options plus a combined 15k double. Courses use older trail routes, can be muddy, include notable elevation gain, and offer awards plus postrace food.

Tough Mudder Indiana at CERAland Park on August 1, 2026 features 15K and 5K obstacle courses across woodland and farmland, finisher items, spectator village options, group packages, volunteer roles, and Spartan Hurricane Heat events alongsi..

Obstacle-course races at Tryon International Equestrian Center on Aug 01–02, 2026 feature horse-trail terrain, red clay hill climbs, creek beds, multiple obstacles, a pre-race workshop, kids races, and spectator access.

A loop ultramarathon around Waldo Lake that starts and finishes at Willamette Pass Ski Area near Oakridge, Oregon. The mostly single track course climbs several peaks and includes remote trail sections and lake views.

Experience high elevation trail running in the mountains of Fairplay Colorado. This event offers three distances ranging from a half marathon on forest roads to technical ultramarathons through remote wilderness terrain.

Hood Hundred is a 100 mile mountain trail race on Mt Hood staged at Mt Hood Meadows. The lollipop loop course includes 17,300 feet of ascent and descent, is a Western States qualifier, and has a 34 hour cutoff.

Test your endurance at Cooper River Park on a fast and flat 3.75 mile paved loop. Choose from 12 hour, 24 hour, or 100 mile challenges with great views of Philly and full aid station support.

A remote trail event around Mt St Helens offering 50K and 25K courses over lava fields, boulder terrain, rivers, and forest. The 50K requires a prior trail 50K and mandatory safety gear.

A 15 mile mountain trail run on August 1, 2026 that climbs about 3,100 feet and reaches over 12,000 feet at Kennebec Pass. The course offers alpine terrain and views of the Animas and Dolores River valleys while supporting La Plata County S..