Trail Running calendar near Princeton 2026-2027

We have found 98 Trailruns within 80 miles of Princeton. See below where and when you can find the races.

Explore the trails of Mansfield Hollow State Park at the Nipmuck South Trail Race. Choose between a scenic 15 mile out and back route or a new, challenging 5K course. Proceeds support local trail stewardship organizations in Connecticut.

Celebrate the longest day of the year with a trail run in Hebron, Connecticut. This event on June 20, 2026, features three distance options on the trails. Choose from a 3 mile, 5 mile, or 8 mile course.

Run a scenic yet rugged half marathon trail race at Lynn Woods Reservation in Massachusetts. This 13.1-mile event features three challenging loops showcasing the historic Stone Tower. The focus is on sustainability and a centralized start/f..

July 2026

Notchview Ultra features a 1.9-mile groomed loop trail in Windsor, Massachusetts. The event includes multiple ultra distances from 6 to 72 hours and a 100.7-mile race. Proceeds support the Trustees of Reservations and a local humane society..

The Spaulding Woods 50K is a technical trail race on a 5.6-mile loop in Northfield, New Hampshire. Runners complete six laps, with 4,400 feet of elevation gain, within a ten-hour limit. The event supports Spaulding Academy & Family Services..

The TARC Blue Hills Skyline Trail Run will take place in Canton on Saturday 11 July 2026. You can run 12 kilometers.

A unique trail race at Soapstone Mountain featuring six ascents. Runners circle the base and climb each upward trail they find, finishing with the infamous Killer Hill. The challenging course includes rocky and steep terrain.

The Kingman Farm Trail Race is an old-school, show up and race event over 3.8 miles of rolling nordic paths and switchback singletrack. It benefits the Doug Flutie, Jr. Foundation for Autism. Day-of registration is available.

The Ragged 75 offers a rugged three-day stage race and a demanding 50k on the scenic SRKG Greenway trails in New Hampshire. Runners summit multiple peaks over technical terrain, with overnight camping and a communal atmosphere. The event ma..

August 2026

An evening cross-country event at Stonington High School on August 5, 2026, featuring a 5K and a Children's 1/2 Mile for ages 10 and under. The course starts and finishes on the track and includes campus streets, trails, grass, and a bridge..

Test your endurance on a 0.355-mile track loop for 8 hours at Clapp Park. Enjoy a unique bottle-drop aid station and support the AYJ Fund for children with cancer. Awards celebrate all age groups and lifetime achievements.

The Tarc Summer Classic will take place in Medfield on Saturday 8 August 2026. You can run between 10 and 40 miles.

Lover's Lane is a timed trail run on a 1.8-mile loop in Chester, VT. Participants can choose 6-hour or 12-hour options in a community-supported, fat-ass format. The event supports local recreation and recovery services.

The 5K Race to the Ledges will take place in Concord on Saturday 8 August 2026. You can run 5 kilometers.

Join an 8-hour celebration run on a 5K trail loop in Tolland, CT. Earn raffle tickets for each loop and enjoy a community potluck. All participants receive a special 50th-anniversary gift.

The Watermelon Wobbler is a 5k trail run/walk/hike through scenic conservation land and a working farm. It features a varied off-road course and supports local agriculture. On-site parking is supplemented by a satellite lot nearby.

Run the Jug End Loop Ultra in the scenic Jug End State Reservation. Choose between a 4.2-mile race or a 6-hour ultramarathon on a challenging loop trail. All finishers receive a handmade ceramic mug, and the event supports local charities.

The annual Vineyard Hill Trail Run features a scenic 5K/10K course over Vineyard Hill and through Bradley Palmer State Park. It's part of the North Shore Trail Series and includes a fully marked trail with an aid station.

Challenge yourself on a 10-mile loop course through the Big River Management Area in Rhode Island. Choose from 100-mile, 12-hour, or 6-hour ultra distances on a relatively flat trail. All participants receive a race sweatshirt, with a speci..

A scenic *10 km* loop at the Power Dam Recreation Area in Perkinsville, VT, with grassy trails, dirt roads and a calf-deep river crossing secured by a rope and lifeguard. The event benefits Springfield High School Cross Country and finishes..