| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Calderon, Ashley M (11)
|
CTZEUS |
33.58 |
33.24 |
-0.34 |
| 2 |
Popielarz, Victoria A (12)
|
CTZEUS |
35.22 |
34.20 |
-1.02 |
| 3 |
Reinoso, Pamela P (11)
|
CTZEUS |
34.10 |
34.53 |
0.43 |
| 4 |
Wang, Katie (12)
|
MRYMID |
35.33 |
34.66 |
-0.67 |
| 5 |
Cuevas, Emilia R (12)
|
CTZEUS |
35.64 |
35.54 |
-0.10 |
| 6 |
James, Jessica M (11)
|
MRRA |
37.11 |
36.65 |
-0.46 |
| 7 |
Levitt, Hannah R (11)
|
CTZEUS |
36.26 |
37.84 |
1.58 |
| 8 |
Hill, Arissa A (11)
|
MRYMID |
38.18 |
38.77 |
0.59 |
| 9 |
Petropoulos, Caroline A (12)
|
CTZEUS |
44.89 |
39.14 |
-5.75 |
| 10 |
Carousso, Melissa G (12)
|
MRRA |
38.59 |
39.76 |
1.17 |
| 11 |
Slattery, Elizabeth (12)
|
MRCFB |
45.93 |
40.48 |
-5.45 |
| 12 |
Shopovick, Sophia F (11)
|
MRYMID |
39.12 |
40.91 |
1.79 |
| 13 |
Vaughan-Johnson, Sophie (11)
|
MRRA |
50.00 |
41.62 |
-8.38 |
| 14 |
Richards, Aryel N (11)
|
CTZEUS |
43.61 |
42.85 |
-0.76 |
| 15 |
Khitrov, Samantha (12)
|
MRRA |
50.00 |
43.56 |
-6.44 |
| 16 |
Evans, Amelia J (12)
|
MRRA |
44.35 |
45.70 |
1.35 |
| 17 |
Cappello, Marilisa (11)
|
MRYMID |
54.84 |
47.06 |
-7.78 |
| 18 |
Radick, Susannah (11)
|
MRCFB |
53.66 |
47.51 |
-6.15 |
| 19 |
Christinat, Libby J (12)
|
CTZEUS |
|
48.30 |
- |
| 20 |
Cabrera, Izabela M (11)
|
MRYMID |
46.04 |
50.18 |
4.14 |
| 21 |
Zelman, Alexandra L (11)
|
MRYMID |
49.99 |
51.73 |
1.74 |
| 22 |
Farrier, Alexandra (11)
|
CTZEUS |
1:08.55 |
52.13 |
-16.42 |