| 12-17-21 Lon vs Por, Big | Date: 12-17-21 Venue: Londonderry - Londonderry, NH |
| Men's 400 Freestyle Relay |
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| Place | Overall | Team | Time | Score |
|---|---|---|---|---|
| 1 | 1 | Londonderry High School | 3:47.99 | - |
| 2 | 2 | Portsmouth High School | 4:24.25 | - |
| 3 | Bishop Guertin High School Swi | DQ | - |