Trail Running Calendar United States 2026-2027

A 5.3 mile trail race at Frances Slocum State Park on primarily grass and earth trails, run as an age-group graded event with staggered starts. Online pre-registration is required with a $10 fee.

Trail Run Xtreme in Portage, IN on May 17, 2026 offers a wooded 12K and a 3K kids race on marked single track with volunteers, race shirts, awards and a post-race meal; proceeds support the Outback Trail Commission.

5th Annual Head & Neck Cancer Foundation Walk/Run on May 17, 2026 at Thomas Beach on Lake Bde Maka Ska in Minneapolis. Walkers, runners and volunteers gather to honor survivors, raise awareness of cancer risk and raise funds for patients.

A 25th annual cross country event in Newburyport, MA on May 17, 2026 with adult and youth 3 mile races plus a kids 1/2 mile. First 250 3 mile registrants receive shirts and race day donations support the Travis Landreth Scholarship Fund.

Experience the scenic beauty of the Brandywine Valley through forests and farmland. Choose between 10k, 25k, and 50k distances in this part of the USATF Mid Atlantic Off Road Series.

Tough Tiger is an obstacle course event at Hampden Meadows School in Barrington, RI offering a 1.5 mile loop and a shorter adaptive course, with T shirts for early registrants, a raffle, and electronic timing.

Four trail race categories require drinking four drinks and running four laps around a 400 meter loop for a one mile total. Drinks are regulated and proceeds go to the UAW Local 2209 Veterans Committee.

Trail marathon and 15-mile trail race at Bethpage State Park on May 17, 2026. Registration opens Feb 23 and a portion of proceeds supports the Long Island Greenbelt Trail Conference.

A community 5K through the PEA trails in Exeter plus kids fun runs in three age groups, post race music, food, raffles and awards. Free babysitting is provided for children of registered 5K participants.

A road race in Cottage Grove, Oregon on May 17, 2026 offering a 13.1 mile half marathon on the Row River Trail with bus transfer and a 6.2 mile 10K out and back to Mosby Creek. Registration and volunteer roles have set limits and deadlines.

Trail races at Lake Perry on May 17, 2026 in Meriden, KS offer 50K, half and quarter distances on rocky, hilly single-track through hardwood forest, with finisher medals, caps and awards across distances.

Mud Factor Sacramento is a 5K mud and obstacle run on May 17, 2026 at the 300-acre Mahon Ranch, marking the event's 15th anniversary; it features adult and KIDZ family waves and a $10 spectator festival pass.

A chip timed *10K* trail run at The Forge Lemont Quarries featuring mostly crushed limestone surfaces, wooded scenery, competitive overall and age group awards, and a 450 participant capacity.

A roughly 13.1 mile trail half marathon along the James River in Richmond, featuring single track, bridges and riverbank scenery. Wave starts control trail volume; entries include a finisher shirt and chip-timed bib.

A 5K Fun Run at Strongwater Farm in Tewksbury on May 17, 2026 to raise funds for programs supporting people with mobility challenges. The trail course crosses corn fields and woods, with a shorter accessible route and family activities on s..

A community campus race in East Haddam with a 1.75 mile loop, kids races on the soccer field, water stops and reused trophy awards. The course is mainly packed dirt with hills and a fast downhill finish.

A one-day return of the Somers Summer 5K on May 17, 2026 at Field Road Park; entry is free and registration runs from August 28, 2025 to May 16, 2026. Proceeds support improvements to the park fitness trail.

A community cross-country event at Spring Lake Regional Park featuring a 3 mile XC race and a 1K Bunny Hop for children 10 and under, in its 30th year with online registration and membership options available.

Free group training runs that preview the Hell Hath No Hurry course. A guided first loop with no timing or awards and a roughly 10K singletrack loop at Settlers Cabin Park with minimal support.

Preview the Hillman State Park course in Burgettstown, PA with guided loops for a 10k, half marathon or 30k. Riders may bring horses or participants can run, with group leaders and GPX maps provided.