| M | NHIAA Division I | 43.87 | Katie Gayman | Manchester Central | 1997 |
| S | NHIAA State Records | 43.54 | Corinne Kennedy | Lebanon | 2014 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | CAWTHRON, Lillianna | FR | Londonderry | 55.14 |
| 2 | SCIACCA, Mia | JR | Winnacunnet | 54.18 |
| 3 | BANCROFT, Jocelyn | FR | Portsmouth | 53.62 |
| 4 | BARTNICKI, Lauren | SR | Memorial | 52.85 |
| 5 | KAUPP, Ruby | FR | Bedford | 53.14 |
| 6 | OFORI, Petrina | SO | Alvirne | 54.04 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | HANSEN, Lily | SO | Keene | 52.44 |
| 2 | ORTIZ, Myasiah | SO | Nashua South | 50.94 |
| 3 | JURIS, Christina | SO | Nashua North | 50.04 |
| 4 | PLANTE, Emily | SR | Salem | 49.05 |
| 5 | MAZEROLLE, Olivia | SR | Nashua North | 49.59 |
| 6 | CAIRNS, Caroline | SR | Bishop Guertin | 50.73 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | MULLER, Katherine | JR | Concord | 48.43 |
| 2 | DOHERTY, Morgan | SO | Concord | 48.25 |
| 3 | DI VERNIERI, Isabella | JR | Nashua North | 47.68 |
| 4 | LAVELLE, Sydney | SR | Exeter | 45.26 |
| 5 | WHEATON, Jordan | JR | Pinkerton | 47.04 |
| 6 | DILLON, Kailey | JR | Merrimack | 47.72 |