| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 2 | MATTHEWS, MACNEIL | MERRIMACK VALLEY | 1:18.00 | |
| 3 | CONSIDINE, CASSIDY | MERRIMACK VALLEY | 1:09.00 | |
| 4 | IRVING, THERESA | MERRIMACK VALLEY | 1:11.10 |
| Lane | Athlete | Team | Seed | Note |
|---|---|---|---|---|
| 1 | KILCREASE, KAYLA | SOUHEGAN | 1:08.24 | |
| 2 | ROMANO, MARISSA | SOUHEGAN | 1:04.68 | Kiwanis |
| 3 | PRAK, AVRIL | KEARSARGE | 1:01.22 | 2018 NHIAA Outdoor Meet of Champions |
| 4 | NADIG, JENNIFER | OYSTER RIVER | 1:01.58 | DII |
| 5 | HERRERO, EMMA | SOUHEGAN | 1:08.00 |