Trail Running calendar near Sudbury 2025-2026

We have found 66 Trailruns within 80 miles of Sudbury. See below where and when you can find the races.

The Grills Trail Run, hosted by the Westerly Track & Athletic Club, takes place at Grills Preserve in Westerly, Rhode Island. Scheduled for October 25, 2025, it features two race distances: a 10-mile and a 10K. Both courses start and finish at Grills Preserve, showcasing scenic trails with about 80%..

Book It for Books 5k & 10k is a charity running event at Lake Accotink Park in Springfield, VA, benefiting Reading is Fundamental of Northern Virginia (RIF NOVA). The weekend features a 1-mile fun run, a 5k trail out-and-back on the lake’s south side, and a 10k course that runs out-and-back on the n..

Womp Romp Trail Race is held in Hingham, Massachusetts at Wompatuck State Park (South Field). It offers a 50K (three loops plus a mile) and a single-loop 10-mile option. The course blends single-track, wide trails, and some pavement, with about two miles of pavement per loop.It’s a cupless race, so..

Pumpkin Pacer 5k @ White Barn Farm is a 5K off-road trail run/walk held at White Barn Farm, 431 South Street, Wrentham, MA 02093. It’s the final race in the Farm To Trail 5K Series and is open to all ages and abilities. The course weaves through scenic conservation land and farm property, featuring..

Powisset Farm Trail Run - Fall is a Barn to Run Trail Race Series event held at Powisset Farm in Dover, MA, on October 26, 2025. The course spans Powisset Farm and adjacent Noanet Woodlands, with four distance choices: 8.3, 5.6, 3.1, and 1.5 miles. The atmosphere blends competitive trail running wit..

November 2025

New Boston, NH hosts The Hamsterwheel, an 11th-year ultrarun along the New Boston Rail Trail by the Piscataquog River. The course is a continuous 4.0-mile loop that is largely flat with one minor speed bump, starting near the Hillsborough County Fairground and turning at Lang’s Station. Runners may..

The TARC Stone Cat Trail Festival will take place in Ipswich on Saturday 1 November 2025. You can run between 10 and 100 kilometers.

The Hugs from Vets Trail will take place in Henniker on Sunday 2 November 2025. You can run 10 kilometers.

Stonington Vineyards Wine Run Turkey Trot 5k is a timed 5k run/walk held at Stonington Vineyards in Stonington, Connecticut. The two-lap cross-country course begins and ends at the winery, winding through vineyard lanes with some uneven footing, suitable for runners and walkers alike. The Thanksgivi..

Race for DFL is a last-runner-standing backyard ultra held at Kenty’s Farm in Winchendon, Massachusetts. The event uses a single lap of about 4.17 miles, with a course mixture of grassy field, forest trail, crushed gravel bike path, and a dirt road, totaling around 150 feet of elevation gain per lap..

The Upton Half Marathon Trail Race, held in Upton State Forest, Massachusetts, offers a challenging and scenic trail running experience. Participants can choose between a 10.5K or a half marathon distance, with the half marathon consisting of two laps of a 6.5-mile course featuring technical, hilly..

The Centerville Bank Thompson Turkey Trot is an annual event held at the West Thompson Dam Overlook Shelter in Thompson, Connecticut. It features a 5K timed trail run, a 3K untimed walk called the "Wobble" where dogs on leashes are welcome, and a free kids' fun run for children 12 and under. The eve..

The Tarckey Trot 6 Hour - Winchester, MA will take place in Winchester on Saturday 15 November 2025. You can run between 6 and 6 kilometers.

The Baystate Dirty Dog Trail Run-Ruck-Walk 5k is a rugged outdoor event held in Berkley, Massachusetts, honoring military personnel, first responders, and their K-9 partners. Participants can run, ruck with weighted packs, or walk a challenging 5k trail through scenic natural landscapes, often muddy..

Li'l Rhody Runaround Trail Run is held at Burlingame State Park in Charlestown, Rhode Island. It is the fourth and final race in WTAC’s Fall Trail Race Series, offering two trail distances: 8 miles and 4 miles on Watchaug Pond area trails. Expect a classic, wooded trail course around the pond, with..

The 27th Annual Novemberfest Race for the Nashua Children’s Home is a festive 4-mile run through Mine Falls Park in Nashua, New Hampshire. Runners traverse scenic park trails, finishing near the Pine Street Extension Entrance. The post-race celebration and raffle take place at Martha's Exchange Rest..

December 2025

TARC Winter Classic is a trail ultrarunning event at the Middlesex Fells Reservation in Stoneham, MA. Runners choose 8, 32, or 40 miles, starting and finishing at Fallon Road. The Skyline Trail offers a rugged New England course of roots, rocks, and elevation, with constant climbs and descents and o..

The Mount Hood Nutcracker Challenge is an annual cross-country running event held at the Mount Hood Golf Club in Melrose, Massachusetts. This unique 3.5-mile race features a challenging, hilly course that changes every year, incorporating fairways, paved cart paths, road crossings, and wooded sectio..

February 2026

The TARCtic Frozen Yeti is a winter trail running event hosted by the Trail Animals Running Club at Hale Reservation in Westwood, Massachusetts. Scheduled for February 7-8, 2026, it offers two distance options: a 15-mile race and a challenging 30-hour ultra. The course features three roughly 5-mile..

March 2026

Located in Union, Connecticut, the Northern Nipmuck Trail Race is a 16-mile ultramarathon staged just outside Bigelow Hollow State Park. The course runs south on the Nipmuck Trail through the Yale-Myers Forest, crosses Barlow Mill Rd at mile 4, then reaches a turnaround at Boston Hollow before retra..