| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chong, Julie A (10)
|
MADCAA |
|
42.33 |
- |
| 2 |
Bell, Grace M (9)
|
MACHEL |
43.61 |
44.21 |
0.60 |
| 3 |
Briscoe, Chanelle N (9)
|
MAGPAC |
47.49 |
46.55 |
-0.94 |
| 4 |
Keitel, Nieve S (10)
|
MASPFD |
46.06 |
46.79 |
0.73 |
| 5 |
Laski, Emilia C (10)
|
MAEMAC |
50.94 |
48.17 |
-2.77 |
| 6 |
Whitney, Caroline G (9)
|
MAUN-1 |
53.08 |
49.04 |
-4.04 |
| 7 |
Deck, Josephine M (10)
|
MACHEL |
48.07 |
49.51 |
1.44 |
| 8 |
Walborn, Mabel R (10)
|
MAUN-3 |
49.70 |
49.86 |
0.16 |
| 9 |
Huntsinger, Haley M (10)
|
MAUNAT |
43.75 |
51.66 |
7.91 |
| 10 |
Karasinski, Gabriella N (10)
|
MAGSA |
52.17 |
51.91 |
-0.26 |
| 11 |
Schofield, Ella (10)
|
MABDA |
53.35 |
52.09 |
-1.26 |
| 12 |
McGlinchey, Simone I (9)
|
MAGPAC |
58.84 |
52.18 |
-6.66 |
| 13 |
Clark, Gabriella A (10)
|
MALMOR |
54.40 |
53.05 |
-1.35 |
| 14 |
Pfautz, Ella G (10)
|
MALAC |
|
53.45 |
- |
| 15 |
Boyle, Zoie T (9)
|
MADCAA |
|
54.14 |
- |
| 16 |
Golden, Luna (9)
|
MACC |
|
54.87 |
- |
| 17 |
Keitel, Arden S (10)
|
MASPFD |
55.70 |
55.40 |
-0.30 |
| 18 |
Sahd, Claire E (9)
|
MALAC |
|
55.78 |
- |
| 19 |
DeVito, Isabella C (9)
|
MAGPAC |
57.16 |
56.00 |
-1.16 |
| 20 |
Reddy, Druthi A (10)
|
MAEMAC |
|
56.05 |
- |
| 21 |
Hillier, Caroline R (10)
|
MASSC |
45.28 |
56.67 |
11.39 |
| 22 |
Formica, Riley E (10)
|
MAUMAC |
|
58.43 |
- |
| 23 |
Cummins, Ella M (9)
|
MAGPAC |
1:00.05 |
59.57 |
-0.48 |
| 24 |
Fuertes, Allyssa D (9)
|
MALAC |
|
1:01.19 |
- |
| 25 |
Fiore, Mariella S (9)
|
MAMUHL |
1:03.00 |
1:01.21 |
-1.79 |
| 26 |
Crater, Madison (9)
|
MAMUHL |
1:02.39 |
1:03.35 |
0.96 |
| 27 |
Blomquist, Annika K (9)
|
MAGPAC |
1:02.51 |
1:03.90 |
1.39 |
| 28 |
Olex, Abigail A (9)
|
MASSC |
|
1:04.64 |
- |
| 29 |
Selzer, Aimee E (10)
|
MALAC |
|
1:09.56 |
- |
| 30 |
Simpkins, Katherine F (9)
|
MAUN-1 |
|
1:09.95 |
- |
| 31 |
Fegley, Zofia A (10)
|
MASKY |
|
1:11.93 |
- |
|
Scungio, Siena J (10)
|
MASSC |
49.32 |
DQ |
- |