| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
LaFlamme, Zoe L (11)
|
VACGBD |
35.87 |
36.65 |
0.78 |
| 2 |
Wright, Margaret Ann E (12)
|
VATIDE |
49.80 |
38.22 |
-11.58 |
| 3 |
Watson, Viktoria L (11)
|
VACGBD |
39.04 |
39.22 |
0.18 |
| 4 |
Hanchett, Kara K (12)
|
VACGBD |
40.93 |
39.33 |
-1.60 |
| 5 |
Karunaratne, Madison A (11)
|
VATIDE |
44.87 |
41.87 |
-3.00 |
| 6 |
Helwig, Emma C (12)
|
VATIDE |
44.19 |
42.37 |
-1.82 |
| 7 |
Drazdowski, Senah E (11)
|
VACGBD |
49.97 |
42.61 |
-7.36 |
| 8 |
Rodrigues, Gabriella A (11)
|
VACGBD |
42.76 |
42.92 |
0.16 |
| 9 |
Pelletier, Zoey N (11)
|
VACGBD |
|
43.01 |
- |
| 10 |
McGowan, Elly G (11)
|
VACGBD |
47.64 |
45.64 |
-2.00 |
| 11 |
DeVito, Jessica M (12)
|
VATIDE |
45.39 |
46.03 |
0.64 |
| 12 |
Soderlund, Marina L (11)
|
VATIDE |
47.63 |
46.70 |
-0.93 |
| 13 |
Barber, Lucy W (11)
|
VACGBD |
53.17 |
47.15 |
-6.02 |
| 14 |
Yanez, Revkah M (11)
|
VATIDE |
|
56.12 |
- |
| 15 |
Echem, Leilani G (12)
|
VATIDE |
|
56.33 |
- |
|
English, Darby R (12)
|
VATIDE |
59.36 |
NS |
- |