| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lucca, Sarah (12)
|
MRHAA |
58.04 |
1:00.79 |
2.75 |
| 2 |
Bak, Julia (12)
|
MRQNS |
58.95 |
1:02.91 |
3.96 |
| 3 |
Diaz, Una M (12)
|
MRLIAC |
1:03.70 |
1:03.71 |
0.01 |
| 4 |
Yang, Chloe (12)
|
MRAGUA |
1:04.65 |
1:04.51 |
-0.14 |
| 5 |
Kohner, Charlotte A (12)
|
MRLIAC |
1:05.17 |
1:04.83 |
-0.34 |
| 6 |
Tamura, Lynn (12)
|
MRWEST |
1:04.72 |
1:04.91 |
0.19 |
| 7 |
Park, Cadence V (12)
|
MRYFD |
1:03.81 |
1:04.94 |
1.13 |
| 8 |
DiStefano, Ella (12)
|
MRTRI |
1:06.07 |
1:05.59 |
-0.48 |
| 9 |
Chevalier, Jane B (12)
|
MRBAD |
1:04.43 |
1:05.67 |
1.24 |
| 10 |
Fasolino, Sofia (12)
|
MRWEST |
1:08.08 |
1:05.82 |
-2.26 |
| 11 |
Wheaton, Penelope F (12)
|
MRAGUA |
1:04.10 |
1:05.88 |
1.78 |
| 12 |
Jorsling, Jules A (12)
|
MRBAD |
1:04.72 |
1:06.60 |
1.88 |
| 13 |
Healy, Claire K (12)
|
MRAGUA |
1:07.96 |
1:07.16 |
-0.80 |
| 14 |
Mossey, Rayna M (12)
|
MRTVSC |
1:08.17 |
1:07.60 |
-0.57 |
| 15 |
Naude, Amber S (12)
|
MRSSC |
1:08.12 |
1:07.66 |
-0.46 |
| 16 |
Canty, Lauren G (12)
|
MRLIAC |
1:06.45 |
1:08.11 |
1.66 |
| 17 |
Galimi, Maeve O (12)
|
MRWEST |
1:07.90 |
1:08.46 |
0.56 |
| 18 |
Stertsios, Martha M (12)
|
MRLIAC |
1:08.39 |
1:08.53 |
0.14 |
| 19 |
Curinnaia, Elena (12)
|
MRMPNY |
1:08.13 |
1:09.67 |
1.54 |
| 20 |
Spencer-Edwards, Lauren A (12)
|
MRQNS |
1:07.12 |
1:10.08 |
2.96 |
| 21 |
Dougherty, Emily W (12)
|
MRBAD |
1:08.07 |
1:10.63 |
2.56 |
| 22 |
Lucca, Julia (12)
|
MRHAA |
1:05.00 |
1:10.86 |
5.86 |
| 23 |
Wigington, Scarlett G (12)
|
MRTVSC |
1:06.25 |
1:11.20 |
4.95 |
| 24 |
Canales Alvizuri, Isabella N (12)
|
MRLIE |
1:08.33 |
1:11.28 |
2.95 |
| 25 |
Buzaid, Catherine E (12)
|
MRRA |
1:08.29 |
1:11.42 |
3.13 |
|
Birch, Elizabeth K (12)
|
MRAGUA |
1:01.37 |
NS |
- |