| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Park, Kayce (8)
|
MRNYSA |
39.75 |
37.75 |
-2.00 |
| 2 |
Castano, Isabella H (8)
|
MRAGUA |
44.32 |
41.86 |
-2.46 |
| 3 |
Berger, Sydney R (8)
|
MRAGUA |
40.64 |
42.17 |
1.53 |
| 4 |
Wu, Heidi (8)
|
MRAGUA |
41.54 |
44.10 |
2.56 |
| 5 |
Losada, Aleksandra (8)
|
MRNYSA |
|
45.65 |
- |
| 6 |
Saunders, Molly A (8)
|
ADHAWK |
56.90 |
48.55 |
-8.35 |
| 7 |
MacLennan, Catherine L (8)
|
MRAGUA |
50.99 |
48.81 |
-2.18 |
| 8 |
Bunimovich, Victoria L (8)
|
MRAGUA |
54.22 |
49.19 |
-5.03 |
| 9 |
Zagar, Nia V (7)
|
MRAGUA |
48.99 |
51.23 |
2.24 |
| 10 |
Fu, Caren W (7)
|
MRQNS |
56.36 |
54.35 |
-2.01 |
| 11 |
Ho, Rica L (8)
|
MRQNS |
57.12 |
55.85 |
-1.27 |
| 12 |
Hunt, Anna K (8)
|
MRAGUA |
1:00.37 |
56.87 |
-3.50 |
|
Eizenstat, Julia M (8)
|
MRAGUA |
53.50 |
DQ |
- |
|
Triedman, Eleanor G (8)
|
MRAGUA |
49.65 |
DQ |
- |