| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
King, Katherine (8)
|
MRHAA |
45.60 |
45.56 |
-0.04 |
| 2 |
Fratticci Cseri, Julianna I (8)
|
MRTVSC |
52.95 |
46.02 |
-6.93 |
| 3 |
Park, Esther Y (8)
|
MRTS |
50.08 |
46.57 |
-3.51 |
| 4 |
Park, Erica Y (7)
|
MRTS |
56.10 |
50.68 |
-5.42 |
| 5 |
Kelly, Myla G (8)
|
MRTVSC |
51.00 |
50.99 |
-0.01 |
| 6 |
Muresan, Dalia B (8)
|
MRIA |
|
52.15 |
- |
| 7 |
Schmidt, Devon M (8)
|
MRHAA |
54.92 |
52.61 |
-2.31 |
| 8 |
Casey, Emily C (8)
|
MRTVSC |
1:00.94 |
52.63 |
-8.31 |
| 9 |
Simons, Audrey K (7)
|
MRLIE |
55.94 |
54.29 |
-1.65 |
| 10 |
Rose-Freaney, Ansley V (7)
|
MRSSC |
59.95 |
54.47 |
-5.48 |
| 11 |
Golden, Norah (8)
|
MRTS |
56.84 |
55.89 |
-0.95 |
| 12 |
Kohner, Paige A (6)
|
MRLIE |
1:10.00 |
56.25 |
-13.75 |
| 13 |
Rogers, Julianna (7)
|
MRHAA |
1:05.96 |
58.74 |
-7.22 |
| 14 |
Chirici, Lily (8)
|
MRTS |
58.95 |
59.14 |
0.19 |
| 15 |
Goswami, Shreya (7)
|
MRTS |
1:05.58 |
59.65 |
-5.93 |
| 16 |
Hunter, Evelyn L (7)
|
MRLIE |
1:09.84 |
1:00.44 |
-9.40 |
| 17 |
Rasco, Victoria (8)
|
MRTS |
1:17.00 |
1:07.81 |
-9.19 |
| 18 |
Doshi, Vrishti N (8)
|
MRLIE |
1:15.00 |
1:08.51 |
-6.49 |
| 19 |
Zielinski, Gabriella (7)
|
MRTS |
1:11.95 |
1:13.09 |
1.14 |
| 20 |
Ganesh, Tannmaya (8)
|
MRTS |
1:17.95 |
1:14.14 |
-3.81 |
|
Zabniak, Alexandra * (7)
|
MRTS |
1:18.90 |
DQ |
- |
|
MacDonald, Sylas A (8)
|
MRIA |
|
DQ |
- |