Spaulding Woods 50K

Prepare for an exhilarating challenge at the Spaulding Woods 50K on July 11, 2026, in scenic Northfield, NH. This demanding ultra features a technical 5.6-mile loop course, which runners will navigate six times to complete the 50K distance. The course is a true trail runner's delight, comprised of over 90% singletrack with some doubletrack, winding through serene woodland views filled with rocks, roots, and footbridges. Expect approximately 34 miles of running and a significant 4,200 to 4,400 feet of cumulative elevation gain, including a notoriously challenging hill leading to the aid station.

Runners consistently praise the Spaulding Woods 50K for its well-marked, clean, and engaging course, despite its technical difficulty. The race atmosphere is known for its amazing and encouraging volunteers, who staff a well-stocked aid station accessible after each lap. Participants also benefit from drop bag access at the start/finish area, located on the Spaulding Academy & Family Services campus at 72 Spaulding Rd, Northfield, NH. This event is a cupless race, requiring runners to carry their own refillable hydration containers. Beyond the personal challenge, the race uniquely supports Spaulding Academy & Family Services, an organization dedicated to serving children in need through various community and wellness programs.

With typical race day conditions seeing highs around 83°F and lows around 61°F, and an 18% chance of precipitation, runners should prepare for warm summer trail running. The Spaulding Woods 50K offers a profound sense of accomplishment, drawing both first-time ultrarunners and seasoned veterans seeking a course that truly tests their limits and inspires them to dig deep.