| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Arnall, Ines M (13)
|
MRWEST |
58.78 |
1:00.46 |
1.68 |
| 2 |
Arnall, Alba (13)
|
MRWEST |
59.61 |
1:00.56 |
0.95 |
| 3 |
Yan, Madelyn (13)
|
MRQNS |
1:02.31 |
1:01.84 |
-0.47 |
| 4 |
Martorello, Gianna M (13)
|
MRWEST |
1:01.53 |
1:01.94 |
0.41 |
| 5 |
Lent, Madeline J (13)
|
MRAGUA |
1:00.50 |
1:02.25 |
1.75 |
| 6 |
O'Donnell, Katherine A (13)
|
MRBGNW |
1:02.15 |
1:02.27 |
0.12 |
| 7 |
Peitler, Maya (13)
|
MRLIAC |
1:03.41 |
1:02.62 |
-0.79 |
| 8 |
Dwyer, Kayla M (13)
|
MRCOND |
1:04.23 |
1:03.28 |
-0.95 |
| 9 |
Huang, Cheri K (13)
|
MRFREE |
1:03.12 |
1:03.45 |
0.33 |
| 10 |
Tse, Kaitlyn A (13)
|
MRIA |
1:04.54 |
1:03.79 |
-0.75 |
| 10 |
Kulier, Kayla A (13)
|
MRLIE |
1:03.11 |
1:03.79 |
0.68 |
| 11 |
Brady, Meghan E (13)
|
MRTVSC |
1:03.55 |
1:03.79 |
0.24 |
| 13 |
Pupke, Cameron R (13)
|
MRWISC |
1:04.25 |
1:04.33 |
0.08 |
| 14 |
Gregersen, Leah (13)
|
MRRA |
1:04.46 |
1:04.39 |
-0.07 |
| 15 |
Tan, Shanel E (13)
|
MRAGUA |
1:04.37 |
1:04.59 |
0.22 |
| 16 |
Bannon, Jane E (13)
|
MRYFD |
1:05.19 |
1:04.97 |
-0.22 |
| 17 |
Harkins, Morgan P (13)
|
MRLIE |
1:04.70 |
1:05.01 |
0.31 |
| 18 |
Doran, Molly K (13)
|
MRLIAC |
1:04.87 |
1:05.18 |
0.31 |
| 19 |
Broening-Chai, Naila A (13)
|
MRAGUA |
1:04.87 |
1:05.44 |
0.57 |
| 20 |
Esposito, Grace A (13)
|
MRFREE |
1:04.25 |
1:05.49 |
1.24 |
| 21 |
Fishbein, Lauren B (13)
|
MRAGUA |
1:04.10 |
1:05.68 |
1.58 |
| 22 |
Lin, Orly A (13)
|
MRAGUA |
1:04.28 |
1:05.75 |
1.47 |
| 23 |
Arabadjiev, Cece C (13)
|
MRAGUA |
1:03.03 |
1:05.78 |
2.75 |
| 24 |
Wu, Natalie (13)
|
MRLIAC |
1:01.44 |
1:05.85 |
4.41 |
| 25 |
McDonald, Cara B (13)
|
MRLIAC |
1:03.33 |
1:05.90 |
2.57 |
| 26 |
Hargis, Sadie R (13)
|
MRAGUA |
1:05.08 |
1:05.92 |
0.84 |
| 27 |
Kong, Athena (13)
|
MRLIAC |
1:05.08 |
1:06.02 |
0.94 |
| 28 |
Retzlaff, Claudia L (13)
|
MRTVSC |
1:04.20 |
1:06.32 |
2.12 |
| 29 |
Palei, Nicole C (13)
|
MRFREE |
1:05.10 |
1:08.83 |
3.73 |