Trail Running Calendar United States 2026-2027

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

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 mixed relay in Brookfield with four 3K legs per team and an optional 6K two person relay. Entry is $25 or $20 for USATF members and proceeds support the Brookfield Central Cross Country team.

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 multi-day 75-mile stage race and a point-to-point 50K on the Sunapee Ragged Kearsarge Greenway featuring technical single-track, significant elevation gain, on-course aid stations and transported overnight gear, plus a $35,000 prize purse..

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 trail event in Pasadena's Lower Arroyo Park offering 6K and 12K routes with chip timing and aid stations. The finish includes tacos and drinks and runners receive a commemorative shirt and wooden medal.

A two-day trail festival at Bogus Basin featuring a Friday Hill Climb and Saturday 5 mile and 10 mile races, with proceeds to Ridge to Rivers, packet pickup at Fleet Feet stores, parking at Frontier Point Lodge, and age-group awards.

A night trail event at Land Heritage Institute in San Antonio offering 5K to 50K distances on dirt single and wide track trails with aid stations, marked course, and finisher medals.

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.

Night Wolf in Kansas City features evening trail races of 5 km and 10 km with a combined 15 km option, variable trail conditions, notable elevation gain, awards, light swag, and a post-race summer gathering.

A 3 person cross country relay on July 31, 2026 at the Osage XC course in Cape Girardeau. Teams run three 1 mile legs and use a bring your own baton format for creative handoffs.

Tough Mudder Indiana at CERAland Park on August 1, 2026 offers 15K and 5K courses with 20+ and 12+ obstacles, spectator passes, group packages, finisher medals and gear, plus volunteer and VIP options.

A weekend Spartan obstacle event at Tryon International Equestrian Center on Aug 1-2, 2026 featuring horse-trail terrain, red clay hill climbs, creek beds, multiple race distances, a kids race and a pre-race obstacle workshop.

A 100K loop ultramarathon around Waldo Lake near Oakridge, Oregon. The mostly single track route climbs several peaks from Willamette Pass Ski Area and includes remote sections and mountain views. Entry used a lottery for 2026.

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.

A 100 mile mountain trail race at Mt Hood Meadows featuring 17,300 feet of ascent and descent, a lollipop loop course with crew access, a 250 runner cap, and Western States qualifier status.