| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zuo, Bonita R (12)
|
MAUN |
59.41 |
1:00.81 |
1.40 |
| 1 |
Stankiewicz-Goldsmit, Olivi (12)
|
MASSC |
1:16.15 |
1:14.68 |
-1.47 |
| 1 |
Yizzi, KelliAnne (12)
|
MATHY |
1:21.33 |
1:18.96 |
-2.37 |
| 2 |
Majewski, Madeline J (12)
|
MACBST |
1:06.92 |
1:05.71 |
-1.21 |
| 2 |
Block, Rebecca M (11)
|
MASSC |
1:16.75 |
1:15.65 |
-1.10 |
| 2 |
Ammon, Isabella R (11)
|
MAFSA |
1:18.72 |
1:19.82 |
1.10 |
| 3 |
Mottershead, Freya L (12)
|
MACBR |
1:07.51 |
1:06.69 |
-0.82 |
| 3 |
Hedlund, Paige (11)
|
MASSC |
1:17.35 |
1:15.81 |
-1.54 |
| 3 |
Maltby, Elizabeth S (11)
|
MATHY |
1:24.11 |
1:20.44 |
-3.67 |
| 4 |
Kolessar, Kaitlyn R (12)
|
MASSC |
1:04.52 |
1:08.84 |
4.32 |
| 4 |
Schulz, Ashley D (12)
|
MASPFD |
|
1:17.52 |
- |
| 4 |
Brakhop, Erin M (11)
|
MACBST |
1:21.57 |
1:20.63 |
-0.94 |
| 5 |
Toland, Grace F (11)
|
MASPFD |
1:13.06 |
1:11.56 |
-1.50 |
| 5 |
Cameron, Kennedy K (11)
|
MACBST |
1:17.30 |
1:18.39 |
1.09 |
| 5 |
Martin, Katherine G (12)
|
MALMOR |
|
1:20.99 |
- |
| 6 |
Ott, Cassidy M (12)
|
MASSC |
1:18.46 |
1:18.44 |
-0.02 |
| 6 |
Kesisoglou, Maria (12)
|
MACBR |
1:23.17 |
1:22.16 |
-1.01 |
| 7 |
Sherman, Gabriella L (12)
|
MAFSA |
1:22.02 |
1:23.14 |
1.12 |
| 8 |
Libke, Madeleine L (11)
|
MASSC |
1:28.89 |
1:23.15 |
-5.74 |
| 9 |
Watkins, Evangeline M (11)
|
MASSC |
1:23.33 |
1:24.43 |
1.10 |
| 10 |
Lebedinskiy, Chelsea N (11)
|
MACBST |
1:28.31 |
1:26.13 |
-2.18 |
| 11 |
Deeter, Kaitlin C (11)
|
MACBR |
1:30.74 |
1:26.69 |
-4.05 |
| 12 |
Reilly, Malea E (11)
|
MACBST |
1:26.62 |
1:26.81 |
0.19 |
| 13 |
Patterson, Julienne M (11)
|
MASPFD |
1:25.01 |
1:28.59 |
3.58 |
| 14 |
Kozloff, Olivia L (12)
|
MACBST |
|
1:30.40 |
- |
| 15 |
Satheesh, Varunikha M (12)
|
MACBST |
1:35.12 |
1:30.67 |
-4.45 |
| 16 |
Smirnova, Julia (11)
|
MASSC |
1:37.16 |
1:33.81 |
-3.35 |
| 17 |
Alemao, Gwen A (11)
|
MACBST |
|
1:50.83 |
- |
|
Schaenen, Nola A (12)
|
MAFSA |
1:19.64 |
DQ |
- |
|
Hillier, Caroline R (11)
|
MASSC |
1:22.96 |
DQ |
- |