Spaulding Woods 50K
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Spaulding Woods 50K, Northfield NH
Spaulding Woods 50K is a trail race held on July 11, 2026, on the Spaulding Academy & Family Services campus at 72 Spaulding Rd, Northfield, NH. The event uses a technical 5.6 mile loop that features rocks, roots, and footbridges. The route is primarily singletrack with a small portion of doubletrack.
To complete the full 50K, runners will run six laps, covering approximately 34 miles with 4,400 feet of cumulative elevation gain. Runners are given a ten hour time limit to finish the race and must start the final lap before the event cutoff. Dropouts must check in at the timing table before leaving.
Aid and race support include a well stocked aid station, portable toilets, and runners can access their own drop bags after each lap. Pacers are not allowed. This is a cupless event, so runners should plan to carry refillable water containers. For safety and course preservation, animals including dogs, drones, strollers, and bikes are not permitted on the course. The use of headphones is discouraged.
The event supports Spaulding Academy & Family Services, an organization that provides community based services, academics, clinical care, outdoor challenges, and health and wellness programs. Nearby lodging options are listed by the organizer. Visit the organization's website for the most recent information.
