Cape Cod against the Tide
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27th Annual Cape Cod Against the Tide
The event takes place on June 27, 2026 at Cliff Pond in Nickerson State Park, Brewster, Massachusetts. It benefits the Massachusetts Breast Cancer Coalition, an organization described as the only state nonprofit dedicated to preventing breast cancer from environmental causes. Funds support community education programs, a webinar series, and a student environmental health program.
The event program includes multiple swim, run, and walk options:
- USMS Sanctioned 1-mile swim
- Competitive one mile swim
- Recreational one mile swim
- Recreational half mile swim
- USATF certified 5K run
- USATF certified 10K run
- Three mile fitness walk
Registration details and policies are stated by the organizer: online registration closes the evening of June 26; walk in registration is available on the day of the event. There is no early bib pickup; bibs are available at registration the morning of the event. Wetsuits are permitted. No pets are allowed on the beach except service animals. Refunds are not allowed. Minors under 18 must have parent or guardian authorization and a signed Release and Indemnity Agreement. Participants may create or join teams during registration but new teams cannot be created after registration is complete. Transfers between sub events are permitted for a fee of $1.95.
Most listed event registrations show a fee of $40. The 5K and 10K runs carry USATF certification codes MA23007BK and MA23006BK. Route maps are provided for the swim and run walk courses. Visit the organization's website for the most recent information.
