Trail Running Calendar United States 2026-2027

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

A weekly trail race series at Catamount Outdoor Family Center in Williston offering 5 km and 2.5 km options for adults and youth, with rain or shine operation, a specific thunder policy, and bib pickup and safety check-in procedures.

Three Wednesday evening 5K trail runs at Bloomer Park in Rochester Hills, MI, with chip timing, light post-run refreshments on two dates, a series finisher medal, and a post-series cookout. Single race and full series entry options are avai..

A mid summer trail race at Spring Lake Park in Hastings Minnesota, the Spring Lake Park 5 mile follows two figure eight loops over prairie and wooded single and double track. The event features chip timing, a midrace water stop, parking and..

A 5 km trail race on the Riverside High School trails in Chattaroy, WA, organized by the Riverside High School Cross Country team and Ram Nation Boosters to raise funds for team travel and equipment, with marked course and awards.

Part of an eight-week trail series in Flower Mound, this chip timed event features marked singletrack 5K and 10K races with weekly podium awards, rain-date rescheduling, and no-refund registration with transfers allowed.

A low-key Wednesday evening trail race series in Forest Park, Portland, with three seasonal five-race Series and hilly courses of about 4–7 miles. The Series supports the Forest Park Conservancy and includes standings and a post-series gath..

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 trail run in Bedford, New Hampshire on July 30, 2026 offering separate 5 km categories for adults, youth, and kids. Online registration is available and participants can add donations or purchase merchandise to support the Rotary Club of..

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 5K to 50K distances, ruck options, marked dirt trails, aid stations, finisher medals and participation in the Texas Summer Night Series.

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 is a fourth annual trail event in Kansas City offering a family friendly 5 km and a night 10 km that requires a headlamp on the return. There is a combined 15 km option plus awards and postrace refreshments.

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..