| 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 | Note |
|---|---|---|---|---|---|
| 1 | METZLER, Morgen | FR | Pinkerton | 1:05.57 | Bishop Guertin @ Pinkerton |
| 2 | GENEST, Lauren | SO | Timberlane | 1:03.74 | Nashua North Invitational |
| 3 | WHITE, Elizabeth | JR | Bishop Guertin | 1:02.77 | Nashua Invite |
| 4 | GREGORY, Meadow | SO | Exeter | 1:02.29 | Mini Meet %236 @ Coe Brown |
| 5 | NAULT, Morgan | SR | Manchester Memorial | 1:03.18 | manchester city meet |
| 6 | OFORI, Petrina | FR | Alvirne | 1:04.73 | Nashua North Invitational |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | JELLOW, Grace | SO | Pinkerton | 1:02.22 | Pinkerton, Alvirne, Trinity @ Londonderry |
| 2 | AGRI, Autumn | SR | Exeter | 1:01.61 | Mini Meet %236 @ Coe Brown |
| 3 | SMITH, Ashlyn | JR | Dover | 1:01.26 | Salem |
| 4 | QUINLAN, Kylee | JR | Winnacunnet | 58.70 | Winnacunnet |
| 5 | JENKINS, Lily | FR | Portsmouth | 1:01.52 | Coe Brown |
| 6 | LENNOX, Kaitlyn | SR | Winnacunnet | 1:01.78 | Winnacunnet |