Stonyfield Summerfest 5K
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Stonyfield Organic 5k
The Stonyfield Organic 5k is scheduled for Saturday, June 20, 2026 in Londonderry, New Hampshire. The event lists an in person 5k, a virtual 5k option, and a kids fun run. The location is given as 90 West Rd, Londonderry, NH 03053.
Registration and fees vary by category and by date. A discounted fee deadline is listed as Sunday, May 31, 2026 at 11:59 PM ET. Online registration closes on Friday, June 19, 2026 at 11:59 PM ET. Age categories shown for the in person 5k include Adults (Ages 21+), Youth (Ages 12-20), and Kids (Ages 11 and younger). The kids fun run appears as the Lil' Calf Dash for children eight years and younger.
Additional entries and fee details are presented by category and by registration date. The event materials refer to both in person and virtual participation and note separate pricing tiers for adults, youth, and younger children. The event page also references an entry refund policy that registrants agree to when registering. Visit the organization's website for the most recent information.
