Trail Running calendar near Londonderry 2026-2027

An 8.5 mile loop at Merck Forest with about 1,800 feet of climbing, two aid stations, and a 0.75 mile kids loop around the farm. Packet pick-up is available in Manchester and at the Sap House start area.

The Champlain Bridge 5K will take place in Crown Point on Saturday 19 September 2026. You can run 5 kilometers.

TAM Trek is a trail race and fun run in Middlebury, Vermont supporting the Trail Around Middlebury. Events range from a full 19 mile route around the village to shorter trail races and a family friendly two mile run.

A community 5K in Hillsborough, NH on September 20, 2026, organized by the Hillsboro Fire Department. The off-road course may be uneven and strollers are not recommended; registration runs March 25 to September 19 with a $30 fee.

A weekend of endurance mountain biking and trail ultrarunning at Ascutney Outdoors in West Windsor Vermont, offering 50 mile and 50 km solo races, multiple relay formats, and kids fun races. Proceeds support Vermont Adaptive.

The 4th annual Paine Mountain races in Northfield Vermont on September 27, 2026 include the Anchor Challenge 6k, a 7.5 mile summit race and free youth races. Proceeds benefit the Northfield Town Forest and Norwich cross country program.

Experience a rugged trail race through the Adirondack forests and wetlands of Amy’s Park. Enjoy scenic views and a community after party at a local brewery while supporting land conservation for Lake George.

A timed endurance event in Cohoes, NY offering 1, 3 and 6 hour solo options plus 3 and 6 person relays, organized to raise awareness and funds for Flutters of Hope Inc.

A 50 kilometer trail ultramarathon on October 3, 2026, near Kattskill Bay, NY, covering four Lake George peaks with about 9,000 feet of climbing. The course starts and finishes at Camp Chingachgook and includes multiple aid stations with ti..

Trail races in Groton, Massachusetts on October 4, 2026, organized by local running and trails groups. Two distances, 9.5 miles and 3.4 miles, total entries limited to 250, online registration closes October 3.

Experience the seasonal scenery of New Hampshire at the Keene Family YMCA Fall Foliage Trail Race. Choose between a fast 5K or a 10K with elevation gain to support local community programs.

A one-mile charity run at Gunstock Mountain Resort on October 4, 2026, benefiting Big Brothers Big Sisters of New Hampshire & Vermont. Online registration closes October 2; adult and teen entries are $20, children under 12 enter free.

A point to point ultra along the Midstate Trail in Massachusetts offering 50K, 50 mile and 100 mile options. The 50 and 100 mile events are UTMB Index races and the event is sanctioned by USA Track and Field.

A trail ultra on Wright's Mountain in Bradford, Vermont on October 10-11, 2026 offering 30 hour, 12 hour and a 10K loop. The course mixes runnable sections with steep, rocky climbs and includes themed tarot card and milestone awards.

Experience New Hampshire’s original 30 hour ultramarathon on the historic Granite Town Rail Trail. Choose from multiple distances and relay options in this flat and fast Halloween themed fundraiser for local trail conservation.

Explore the scenic trails of 100 Acre Woods in Malta, New York. This community event on October 18, 2026 features 2k, 3k, and 5k trail runs. All proceeds support local trail maintenance.

Trail event at Mt Tom State Park on October 24, 2026 offering 25k and 10k courses, a 25k two person relay, and an untimed 5k fun run or hike. Proceeds support Kestrel Land Trust conservation work.

A trail race in Keene, New Hampshire covering 4.9 miles with about 1650 feet of up and down on ski trails and single track. The event benefits the Keene Community Kitchen and includes prize money, age group awards, and raffles.

A roughly 14 miles trail race at Moreau Lake State Park in Gansevoort, NY, featuring technical singletrack and about 2700 feet of climb with one aid station near six miles; early registrations by October 18 guarantee a shirt.

Timed multi-hour trail event on a marked 4.0 mile loop near the Hillsborough County Fairground in New Boston, NH. Multiple solo and relay options from 6 to 30 hours, chip-timed with a central aid station and specific pacer and crew rules.