Charles River Marathon

Course

A lapped marathon on paved paths beside the Charles River, starting and finishing at Herter Park in Boston. The format is a short start loop followed by ten laps of a longer course loop. The field is capped at 200 runners. Aid stations carry water, sports drink and energy gels.

Key dates

• ·
  Registration
  Not open yet
• ★
  Race day
  May 2027 · date to be announced

About

The Charles River Marathon is a flat, fast USATF-certified course consisting of ten laps on a 2.6-mile loop around Boston's scenic Charles River, starting and finishing at DCR’s Herter Park. It also offers a half marathon option with five laps and is BQ-eligible, attracting runners from across the US and overseas.

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