| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Perry, Jada J (12)
|
MRNFS |
37.30 |
38.69 |
1.39 |
| 2 |
Wang, Katie (12)
|
MRYMID |
42.45 |
38.91 |
-3.54 |
| 3 |
Reinoso, Pamela P (11)
|
CTZEUS |
44.92 |
39.23 |
-5.69 |
| 4 |
Gilbertson, Rhianna S (11)
|
CTZEUS |
39.91 |
40.45 |
0.54 |
| 5 |
Carousso, Melissa G (12)
|
MRRA |
44.74 |
40.95 |
-3.79 |
| 6 |
Petropoulos, Caroline A (12)
|
CTZEUS |
44.69 |
42.65 |
-2.04 |
| 7 |
Cedeno, Sofia M (11)
|
MRYMID |
|
44.28 |
- |
| 8 |
Richards, Aryel N (11)
|
CTZEUS |
49.84 |
45.40 |
-4.44 |
| 9 |
Shopovick, Sophia F (11)
|
MRYMID |
45.67 |
45.64 |
-0.03 |
| 10 |
Finkelberg, Sydney H (11)
|
MRRA |
45.43 |
45.85 |
0.42 |
| 11 |
Slattery, Elizabeth (12)
|
MRCFB |
51.67 |
46.53 |
-5.14 |
| 12 |
Radick, Susannah (11)
|
MRCFB |
51.13 |
47.27 |
-3.86 |
| 13 |
Farrier, Alexandra (11)
|
CTZEUS |
|
47.29 |
- |
| 14 |
Dhallu, Gurveen K (11)
|
MRYMID |
51.13 |
47.36 |
-3.77 |
| 15 |
Christinat, Libby J (12)
|
CTZEUS |
|
48.54 |
- |
| 16 |
Khitrov, Samantha (12)
|
MRRA |
50.00 |
52.53 |
2.53 |
| 17 |
Loor- Steinberg, Thalia (12)
|
NJMALT |
53.54 |
52.74 |
-0.80 |
| 18 |
Fedor, Maggie I (11)
|
CTZEUS |
51.24 |
52.95 |
1.71 |
| 19 |
Cappello, Marilisa (11)
|
MRYMID |
1:22.00 |
54.47 |
-27.53 |
| 20 |
Zelman, Alexandra L (11)
|
MRYMID |
1:02.74 |
55.75 |
-6.99 |