2 events in Marshfield, Massachusetts

From big races to Saturday morning group runs—find half marathon events and connect with the local endurance sports community.

• Beach & Back Half Marathon & 5K [wickedfastraces.com] [Register at raceroster.com]
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  Sun, Jun 14, 2026 at 7:30 AM

  Description

  Welcome to the 10th Annual Beach and Back Half Marathon & 5K in Marshfield, MA by Wicked Fast Race Co. in partnership with the same great race team over at RaceWire!

  Join us for another amazing year with awesome SWAG, free BEER, and tons of FUN!

  5k 21k Half Marathon Run

  Town Pier Road, Marshfield, Massachusetts, United States
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• Run to the Rock [southshorerace.com]
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  Sat, Sep 12, 2026

  5k 10k Half Marathon Run

  Furnace Street, Marshfield, Massachusetts, 02050, United States
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