2027 Registration
Registration for the 2027 Harpoon 5-Miler powered by Needham Bank will open in early February.
A HUGE THANK YOU to our race community, volunteers, corporate and municipal partners, spectators and to our Seaport neighbors for their continued support of the Harpoon 5-Miler. Your support and passion continue to make the Harpoon 5-Miler one of Boston's most beloved races. Together we are running for the cure and care of ALS.
2027 Race Date: Saturday, May 15
25 Years of Running for ALS
👀 2026 Highlight Reel
Boston’s Must-Not-Be-Missed Race
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