| M | NHIAA Division I | 56.22 | Rachel Umberger | Concord | 2000 |
| S | NHIAA State Records | 55.42 | Grace Devanny | Concord | 2019 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | FRONC, Julia | SO | Timberlane | 1:06.91 |
| 2 | CHRISTIAN, Hannah | JR | Winnacunnet | 1:06.07 |
| 3 | MICHON, Camille | SR | Nashua South | 1:05.12 |
| 4 | HEBERT, Ali | SR | Keene | 1:04.67 |
| 5 | MCKOY-SOPHOS, Adrienne | SR | Alvirne | 1:04.74 |
| 6 | GRANT, Ainsley | JR | Exeter | 1:05.62 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | GENEST, Lauren | JR | Timberlane | 1:04.66 |
| 2 | GEORGIANA, Ryenne | FR | Nashua South | 1:04.24 |
| 3 | D'AMICO, Marina | FR | Salem | 1:03.07 |
| 4 | GREGORY, Meadow | JR | Exeter | 1:02.03 |
| 5 | GUDAS, Chloe | SO | Concord | 1:02.10 |
| 6 | CLIFFORD, Maitri | FR | Winnacunnet | 1:03.49 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | LANE, Nydia | JR | Concord | 1:01.81 |
| 2 | KNAB, Clara | SO | Exeter | 1:01.56 |
| 3 | DUCHARME, Samantha | SO | Bedford | 1:00.20 |
| 4 | BARBER, Harriet | SO | Central | 58.06 |
| 5 | THOMAS, Jhanelle | FR | Nashua North | 59.55 |
| 6 | SMITH, Ashlyn | SR | Dover | 1:01.24 |