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2025 Hamptons Marathon Deferral Form
- Defer for free until May 27th, 2025
- Defer for a $10.00 deferral fee from May 28, 2025 to September 16th, 2025
- The deferral window will close on September 16th, 2025 at 11:59 PM.
No exceptions will be made to these deadlines.
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