| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Correa, Olivia S (17)
|
MRTRI |
58.10 |
1:01.10 |
3.00 |
| 1 |
Jenkins, Shila (16)
|
MRMAKO |
57.12 |
56.55 |
-0.57 |
| 2 |
Corkery, Julia K (15)
|
MRMAKO |
1:00.86 |
1:01.14 |
0.28 |
| 2 |
Wright, Ellen J (17)
|
MRRED |
57.92 |
56.64 |
-1.28 |
| 2 |
Ha, Kara (17)
|
MRLIFE |
57.56 |
56.64 |
-0.92 |
| 3 |
Lengyel, Sophia (16)
|
MRQNS |
59.40 |
1:01.81 |
2.41 |
| 4 |
Sinclair, Shea-Ann N (15)
|
MRLIE |
1:00.47 |
1:01.82 |
1.35 |
| 4 |
Zhenilenko, Kathryn (17)
|
MRHES |
57.85 |
56.67 |
-1.18 |
| 5 |
Yan, Madelyn (15)
|
MRQNS |
57.28 |
57.24 |
-0.04 |
| 6 |
Tenzin, Quinci R (17)
|
MRLGAC |
58.26 |
57.35 |
-0.91 |
| 7 |
Vincente, Julia (17)
|
MRSIAC |
57.17 |
57.47 |
0.30 |
| 8 |
Torelli, Helena (15)
|
MRMAKO |
57.96 |
57.69 |
-0.27 |
| 9 |
Ellefsen, Ryann (16)
|
MRTRI |
57.66 |
57.96 |
0.30 |
| 10 |
Rapisarda, Claudia (15)
|
MRWEST |
57.08 |
58.21 |
1.13 |
| 11 |
D'Amelio, Theodora M (16)
|
MRFREE |
57.65 |
58.50 |
0.85 |
| 12 |
Chuk, Megan (17)
|
MRFREE |
58.68 |
58.62 |
-0.06 |
| 13 |
Liang, Magan E (17)
|
MRTRI |
1:00.56 |
59.25 |
-1.31 |
| 14 |
Ambery, Amanda (15)
|
MRLIE |
59.51 |
59.29 |
-0.22 |
| 15 |
Conroy, Nicole M (17)
|
MRFREE |
1:00.86 |
59.58 |
-1.28 |
| 16 |
Wu, Madison H (16)
|
MRYFD |
58.96 |
59.75 |
0.79 |
| 17 |
Triolo, Alexia S (15)
|
MRFREE |
1:00.01 |
1:00.24 |
0.23 |
| 18 |
Lally, Keely M (15)
|
MRFREE |
1:00.41 |
1:00.33 |
-0.08 |
| 19 |
Wood, Addison (16)
|
MRMAKO |
1:00.06 |
1:00.75 |
0.69 |
| 20 |
Davidson, Ren S (17)
|
MRMAKO |
59.53 |
1:01.00 |
1.47 |