| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Natalie, Caitlyn E (10)
|
CTZEUS |
38.12 |
33.84 |
-4.28 |
| 2 |
Koh, Vivian A (10)
|
MRPAC |
35.20 |
34.04 |
-1.16 |
| 3 |
Willey, Olivia G (10)
|
CTGRYM |
40.41 |
39.20 |
-1.21 |
| 4 |
Szukics, Nicole A (10)
|
MRPAC |
41.71 |
39.51 |
-2.20 |
| 5 |
Khamutaeva, Tuiana (10)
|
MRMPNY |
39.68 |
39.63 |
-0.05 |
| 6 |
Zeltser, Maria A (10)
|
MREAST |
|
39.65 |
- |
| 7 |
Kilpatrick, Edith F (9)
|
MREAST |
43.11 |
40.28 |
-2.83 |
| 8 |
Omara, Alisa (8)
|
MRMPNY |
41.38 |
40.94 |
-0.44 |
| 9 |
Augustensen, Isabella M (8)
|
MRPAC |
41.43 |
41.06 |
-0.37 |
| 10 |
Sell, Everley H (10)
|
MRPAC |
45.74 |
41.35 |
-4.39 |
| 11 |
Sanderson, Jacqueline T (10)
|
CTGRYM |
43.29 |
43.32 |
0.03 |
| 12 |
Hafner, Juliana S (9)
|
MRPAC |
45.78 |
43.56 |
-2.22 |
| 13 |
Sippel, Ella (9)
|
CTGRYM |
45.00 |
44.53 |
-0.47 |
| 14 |
Blanchett, Lucy G (9)
|
CTGRYM |
42.35 |
44.61 |
2.26 |
| 15 |
DiBenedetto, Milania A (9)
|
MRPATS |
54.20 |
45.29 |
-8.91 |
| 16 |
Hogan, Madelyn A (9)
|
CTGRYM |
44.80 |
46.23 |
1.43 |
| 17 |
Cacciato, Nina R (10)
|
MRPAC |
56.18 |
47.06 |
-9.12 |
| 18 |
Fleming, Eloise L (9)
|
CTGRYM |
49.46 |
47.26 |
-2.20 |
| 19 |
Foley, Allegra (10)
|
CTGRYM |
48.80 |
49.50 |
0.70 |
| 20 |
Johnson, Abby K (9)
|
MREAST |
|
49.79 |
- |
| 21 |
Johnson, Serena A (9)
|
MREAST |
|
50.21 |
- |
| 22 |
Bliss, Eleanor M (9)
|
MREAST |
49.87 |
50.78 |
0.91 |
| 23 |
Osornio-Castaneda, Martina (9)
|
CTZEUS |
51.48 |
54.04 |
2.56 |
| 24 |
Fritsche, Meg (9)
|
CTGRYM |
51.57 |
55.79 |
4.22 |
| 25 |
Lefebvre, Alexandra C (10)
|
CTGRYM |
1:00.69 |
59.45 |
-1.24 |
| 26 |
Deppoliti, Sailor R (10)
|
CTGRYM |
1:04.67 |
1:04.88 |
0.21 |
| 27 |
Partridge, Rosemary J (10)
|
CTGRYM |
1:14.32 |
1:07.65 |
-6.67 |
|
Qu, Emily (9)
|
MRPATS |
|
DQ |
- |
|
Feist, Eloise H (9)
|
MREAST |
1:06.18 |
DQ |
- |
|
Cullaj, Fiona L (8)
|
MREAST |
|
DQ |
- |