| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Olson, Mia V (8)
|
MREAST |
42.73 |
45.11 |
2.38 |
| 2 |
Palmgren, Layla C (9)
|
CTZEUS |
|
45.62 |
- |
| 3 |
Russell, Sasha R (9)
|
CTZEUS |
|
45.86 |
- |
| 4 |
Frey, Cecelia S (8)
|
MREAST |
45.01 |
47.71 |
2.70 |
| 5 |
Del Guidice, Lillian J (9)
|
MREAST |
59.37 |
48.03 |
-11.34 |
| 6 |
Natalie, Caitlyn E (8)
|
CTZEUS |
|
49.61 |
- |
| 7 |
Kim, Cameron E (9)
|
MREAST |
55.64 |
50.84 |
-4.80 |
| 8 |
Ovares, Isabella P (8)
|
CTZEUS |
1:05.29 |
52.76 |
-12.53 |
| 9 |
Garcia-Alonso, Alexia * (9)
|
MREAST |
51.93 |
53.38 |
1.45 |
| 10 |
Jaeger, Haylee L (9)
|
CTZEUS |
|
53.70 |
- |
| 11 |
Stone, Sophia K (9)
|
MREAST |
54.58 |
53.72 |
-0.86 |
| 12 |
Sears, Evelyn M (9)
|
MREAST |
58.72 |
56.07 |
-2.65 |
| 13 |
Elkhatib, Madeline R (9)
|
MREAST |
1:01.84 |
1:01.11 |
-0.73 |
| 14 |
Tom, Danielle (8)
|
CTZEUS |
|
1:01.28 |
- |
| 15 |
Siano, Lillian I (9)
|
CTZEUS |
|
1:01.36 |
- |
| 16 |
Harris, Giana M (9)
|
MREAST |
59.00 |
1:02.69 |
3.69 |
| 17 |
Elkhatib, Vivian R (8)
|
MREAST |
|
1:04.14 |
- |
| 18 |
McMahon, Madeleine E (8)
|
MREAST |
|
1:05.51 |
- |
|
Mayer, Samara C (8)
|
MREAST |
|
DQ |
- |
|
Blaho, Fiona A (9)
|
MREAST |
33.95 |
NS |
- |