| M | NHIAA Division II | 56.26 | Kristie Schoffield | Merrimack Valley | 2015 |
| S | NHIAA State Records | 55.42 | Grace Devanny | Concord | 2019 |
| Athlete | Yr. | Team | Seed | |
|---|---|---|---|---|
| 1 | LOPASHANSKI, Piper | FR | Kennett | 1:00.84 |
| 2 | RAPOZA, Kylie | FR | Kingswood | 1:02.23 |
| 3 | THOMAS, Maya | JR | Goffstown | 1:02.65 |
| 4 | DENITTO, Marcella | JR | Kingswood | 1:02.70 |
| 5 | HYNES, Kathryn | SR | Windham | 1:02.92 |
| 6 | BAGNATO, Mia | SO | Hanover | 1:03.14 |
| 7 | KANTOR, Morgan | JR | Lebanon | 1:03.58 |
| 8 | TEDFORD, Lily | SO | Sanborn | 1:03.70 |
| 9 | HERRERO, Emma | SR | Souhegan | 1:04.92 |
| 10 | DAVIS, Aida | SO | Con-Val | 1:05.13 |
| 11 | PRUSIA, Kylie | SO | Coe-Brown | 1:05.16 |
| 12 | VELAZQUEZ, Jona | SR | Milford | 1:05.86 |
| 13 | METIVIER, Megan | SR | Plymouth | 1:06.15 |
| 14 | TROST, Jelina | SR | Goffstown | 1:06.58 |
| 15 | TSCHIDA, Kara | FR | Goffstown | 1:06.86 |
| 16 | WELLS, Emma | JR | Milford | 1:07.66 |