| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Otto, Catherine M (10)
|
MRBAD |
34.68 |
34.08 |
-0.60 |
| 2 |
Gould, Madeleine A (9)
|
MRBAD |
38.02 |
37.42 |
-0.60 |
| 3 |
McFarland, Reese E (10)
|
MRBAD |
37.83 |
37.56 |
-0.27 |
| 4 |
Gohman, Sullivan W (9)
|
MRBAD |
38.96 |
40.34 |
1.38 |
| 5 |
Erb, Chloe F (9)
|
MRBAD |
39.52 |
40.52 |
1.00 |
| 6 |
Hogan, Madelyn A (9)
|
CTGRYM |
40.64 |
40.87 |
0.23 |
| 7 |
Morgan, Maya E (10)
|
MREAST |
41.21 |
41.08 |
-0.13 |
| 8 |
Makarovski, Marisa A (10)
|
MREAST |
|
43.95 |
- |
| 9 |
Sanderson, Jacqueline T (10)
|
CTGRYM |
45.30 |
47.38 |
2.08 |
| 10 |
Bliss, Eleanor M (9)
|
MREAST |
49.89 |
47.91 |
-1.98 |
| 11 |
Lefebvre, Alexandra C (10)
|
CTGRYM |
54.60 |
48.38 |
-6.22 |
| 12 |
Fleming, Eloise L (9)
|
CTGRYM |
49.60 |
48.56 |
-1.04 |
| 13 |
Constantine, Anna T (9)
|
MRBAD |
52.89 |
49.68 |
-3.21 |
| 14 |
Feist, Eloise H (9)
|
MREAST |
57.49 |
51.25 |
-6.24 |
| 15 |
DeMartini, Lily J (9)
|
MREAST |
|
53.65 |
- |
| 16 |
Cullaj, Fiona L (8)
|
MREAST |
|
58.37 |
- |
| 17 |
Galvano, Emma H (9)
|
MREAST |
1:00.27 |
1:01.59 |
1.32 |
| 18 |
Jafri, Zayna M (7)
|
MREAST |
|
1:11.69 |
- |
|
Rutishauser, Aria L (10)
|
MREAST |
54.35 |
DQ |
- |