| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McGlynn, Shea (8)
|
MAPFY |
26.48 |
24.46 |
-2.02 |
| 2 |
Gerosa, Grace H (8)
|
MRBGNW |
25.07 |
24.53 |
-0.54 |
| 3 |
O'Donnell, Katherine A (7)
|
MRBGNW |
25.83 |
25.46 |
-0.37 |
| 4 |
Greenberg, Ariel S (7)
|
MREAST |
28.08 |
26.19 |
-1.89 |
| 5 |
Hallac, Sophia R (8)
|
MRBGNW |
26.72 |
27.04 |
0.32 |
| 6 |
Donovan, Catherine N (8)
|
MRBAD |
35.00 |
31.96 |
-3.04 |
| 7 |
Daspinar, Elif (8)
|
MRTS |
29.85 |
32.64 |
2.79 |
| 8 |
Zhu, Alicia (8)
|
MRCFB |
36.10 |
32.85 |
-3.25 |
| 9 |
Sabarre, Wilhelmina C (8)
|
MRPATS |
35.87 |
34.97 |
-0.90 |
| 10 |
Liranzo, Alexis M (8)
|
MRPATS |
|
37.12 |
- |
| 11 |
Vanover, Danielle R (7)
|
MREAST |
51.97 |
39.87 |
-12.10 |
| 12 |
Odums, Kaelynn S (7)
|
MRPATS |
|
40.37 |
- |
| 13 |
Tsentides, Michelle (7)
|
MRCFB |
39.08 |
40.96 |
1.88 |
| 14 |
Laduzinski, Anna J (7)
|
MREAST |
40.61 |
41.53 |
0.92 |
| 15 |
Mlynar, Seraphina J (7)
|
MRBGNW |
37.13 |
43.33 |
6.20 |
|
Cioffi, Fiamma (7)
|
MREAST |
38.31 |
DQ |
- |
|
Walsh, Maria G (6)
|
MRBAD |
40.89 |
DQ |
- |
|
O'Byrne, Rory L (6)
|
MRBAD |
34.03 |
DQ |
- |
|
Contopoulos, Elise J (7)
|
MRBAD |
|
DQ |
- |