Note: This is an official list of top in-season performances as recognized by the NHIAA.
| Athlete | Year | Time | Meet | Meet Date | |
|---|---|---|---|---|---|
| Callahan, Dylan | SO | 59.30 | Monadnock Twilight Meet 2024 | May 3, 2024 | |
| Moran, Thomas | FR | 1:06.69 | Monadnock Twilight Meet 2024 | May 3, 2024 |
| Athlete | Year | Time | Meet | Meet Date | |
|---|---|---|---|---|---|
| Somero, Derek | JR | 2:25.63 | Monadnock Twilight Meet 2024 | May 3, 2024 | |
| Callahan, Dylan | SO | 2:26.73 | Monadnock Twilight Meet 2024 | May 3, 2024 | |
| Buttrick, Dylan | JR | 2:30.81 | Monadnock Twilight Meet 2024 | May 3, 2024 | |
| Moran, Thomas | FR | 2:38.78 | Monadnock Twilight Meet 2024 | May 3, 2024 | |
| Vaillancourt, Logan | FR | 2:48.15 | Monadnock Twilight Meet 2024 | May 3, 2024 |
| Athlete | Year | Time | Meet | Meet Date | |
|---|---|---|---|---|---|
| Somero, Derek | JR | 5:00.34 | Monadnock Twilight Meet 2024 | May 3, 2024 | |
| Callahan, Dylan | SO | 5:02.36 | Monadnock Twilight Meet 2024 | May 3, 2024 | |
| Buttrick, Dylan | JR | 5:19.56 | Monadnock Twilight Meet 2024 | May 3, 2024 | |
| Vaillancourt, Logan | FR | 5:52.14 | Monadnock Twilight Meet 2024 | May 3, 2024 |