Trail Running Calendar United States 2026-2027

A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.

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 series of short group trail runs and hikes presented by MN Trail Run Collective and MN Brewery Running Series. Each meetup is followed by beers at a nearby taproom, with distances of 3 miles and 2.5 miles.

Midweek trail race series in Logan Utah across the Bear River Range offering short and long courses, capped fields, series passes and end of season awards.

A community fundraising 5K on Legacy Park's cross country trails with professional timing, post-run food and local beer and wine tasting for registrants 21 and over.

A three day 75 mile stage race around Lake Sunapee and a 50K on the SRKG Greenway featuring technical trails, significant elevation gain, and organized overnight camping.

Ultrarunning event on the George S. Mickelson Trail in Custer South Dakota, July 31 to August 1 2026, with multiple distances on crushed limestone.

An overnight team relay covering 200 miles and 36 legs from Fort Collins to Steamboat Springs, crossing two mountain passes. Multiple team categories are offered and teams choose between supplying volunteers or donating to Windsor Gives.

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.

Two days of trail racing at Bogus Basin with a Friday hill climb plus 5 mile and 10 mile races on Saturday, supporting Ridge to Rivers and youth trail programs.

Night trail running at Land Heritage Institute in San Antonio with distances from 5K to 50K, aid stations, finisher medals, and series participation.

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 offering 5k and 10k options plus a double for a combined 15k. Trails are bridle routes with notable elevation gain and the 10k includes running in darkness so a headlamp is needed.

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 obstacle courses across woodland and farmland, plus spectator, VIP, group, and volunteer options.

At Tryon International Equestrian Center, the Asheville Spartan Event Weekend stages trail obstacle races across red clay hills, creek beds, and horse trails. Races include Sprint, Super, a kids race, plus an obstacle workshop and spectator..

A 100 kilometre loop trail race near Oakridge, Oregon, starting at Willamette Pass Ski Area. The course climbs multiple peaks on mostly single track trails and features views of Waldo Lake; prior ultra experience is recommended.