| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Eruslanova, Ekaterina (10)
|
MASSC |
1:16.10 |
1:13.12 |
-2.98 |
| 1 |
Grimley, Taylor O (10)
|
MARAD |
1:22.72 |
1:21.95 |
-0.77 |
| 1 |
Perry, Kylie E (10)
|
MAGSA |
|
1:35.62 |
- |
| 2 |
Hahn, Lily (10)
|
MARAD |
1:18.10 |
1:16.57 |
-1.53 |
| 2 |
Krieg, Sylvia C (10)
|
MASSC |
1:26.61 |
1:22.66 |
-3.95 |
| 2 |
Murray, Amanda W (9)
|
MASPFD |
|
1:38.06 |
- |
| 3 |
Sergent, Brooke D (10)
|
MALVA |
1:21.47 |
1:19.36 |
-2.11 |
| 3 |
Dudkina, Elena V (9)
|
MACBST |
1:29.08 |
1:22.75 |
-6.33 |
| 3 |
Garrabrant, Megan S (9)
|
MAUN |
1:42.41 |
1:39.23 |
-3.18 |
| 4 |
Ward, Reagan L (10)
|
MAGSA |
1:26.97 |
1:19.97 |
-7.00 |
| 4 |
Cicco, Mackenzie R (10)
|
MAGSA |
1:23.78 |
1:25.95 |
2.17 |
| 4 |
Otero-Rehrig, Hazel C (9)
|
MALVA |
|
1:42.59 |
- |
| 5 |
Levensten, Kate E (10)
|
MAUN |
1:29.56 |
1:20.41 |
-9.15 |
| 5 |
DiGregorio, Abigail N (10)
|
MACBST |
1:27.12 |
1:27.27 |
0.15 |
| 5 |
Connell, Samantha R (9)
|
MALVA |
|
1:50.94 |
- |
| 6 |
Suko, Caroline E (10)
|
MACBST |
1:40.11 |
1:28.36 |
-11.75 |
| 7 |
Copas, Savina (10)
|
MARAD |
|
1:28.47 |
- |
| 8 |
Levensten, Sydney J (10)
|
MAUN |
1:34.19 |
1:29.74 |
-4.45 |
| 9 |
Gioia, Isabella (10)
|
MALMOR |
|
1:31.72 |
- |
|
Wells, De'Jah (10)
|
MASSC |
1:26.78 |
NS |
- |
|
Johnson, Anna K (10)
|
MASSC |
1:25.07 |
NS |
- |