| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Asch, Gillian K (8)
|
MRAGUA |
41.33 |
38.71 |
-2.62 |
| 1 |
Wu, Heidi (8)
|
MRAGUA |
38.73 |
38.71 |
-0.02 |
| 3 |
Bunimovich, Victoria L (8)
|
MRAGUA |
44.79 |
43.35 |
-1.44 |
| 4 |
Schaepers-Cheu, Sabine N (8)
|
MRAGUA |
46.25 |
44.87 |
-1.38 |
| 5 |
Kung, Alexis (8)
|
MRSPAR |
45.00 |
45.64 |
0.64 |
| 6 |
Gash, Alexandra M (8)
|
MRPATS |
50.67 |
47.05 |
-3.62 |
| 7 |
Santora, Loretta G (8)
|
MRDA |
52.99 |
47.81 |
-5.18 |
| 8 |
Zagar, Nia V (8)
|
MRAGUA |
44.89 |
48.75 |
3.86 |
| 9 |
Vlahcevic, Natacha A (8)
|
MRAGUA |
52.26 |
52.91 |
0.65 |
| 10 |
Hofbauer, Amari L (7)
|
MRPATS |
1:12.88 |
57.22 |
-15.66 |
| 11 |
Jutt, Anna E (8)
|
MRPATS |
57.25 |
57.63 |
0.38 |
| 12 |
Tello, Samantha (7)
|
MRSPAR |
51.57 |
57.69 |
6.12 |
| 13 |
Culbertson, Sophia (6)
|
MRCFJV |
1:01.43 |
1:00.67 |
-0.76 |