| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Savov, Emma (11)
|
MASEA |
41.97 |
40.86 |
-1.11 |
| 2 |
Greenleaf, Lauren R (12)
|
MASEA |
40.75 |
40.91 |
0.16 |
| 3 |
Ilieva, Natali N (12)
|
MAECCC |
42.88 |
42.46 |
-0.42 |
| 4 |
Ghazaz, Sarah S (12)
|
MABGH |
44.72 |
43.27 |
-1.45 |
| 5 |
Kreidler, Sydney A (11)
|
MASEA |
43.73 |
43.90 |
0.17 |
| 6 |
Tran, Tiffany (12)
|
MABGH |
43.40 |
44.17 |
0.77 |
| 7 |
Elko, Meredith G (11)
|
MASEA |
46.45 |
44.94 |
-1.51 |
| 7 |
Batty, Alexandra M (12)
|
MAECCC |
|
44.94 |
- |
| 9 |
Crouthamel, Kaitlyn V (11)
|
MAWWC |
48.35 |
45.35 |
-3.00 |
| 10 |
Scherbin, Olivia R (12)
|
MAPVA |
46.77 |
45.64 |
-1.13 |
| 11 |
Rossi, Isabella M (11)
|
MAECCC |
47.22 |
45.74 |
-1.48 |
| 12 |
Latham, Natalie J (11)
|
MASEA |
46.24 |
46.50 |
0.26 |
| 13 |
Evans, Giovanna T (12)
|
MAECCC |
46.64 |
47.62 |
0.98 |
| 14 |
Siganos, Alexandra (12)
|
MAECCC |
47.92 |
47.95 |
0.03 |
| 15 |
McCoy, Jade N (11)
|
MAMAR |
51.13 |
49.91 |
-1.22 |
| 16 |
Destefano, Isabella P (11)
|
MABGH |
45.27 |
52.12 |
6.85 |
| 17 |
Deschenes, Reilly J (11)
|
MAWWC |
53.11 |
57.82 |
4.71 |
| 18 |
Tran, Hannah B (12)
|
MAMAR |
|
1:02.39 |
- |
| 19 |
Guest, Lily M (11)
|
MAWWC |
1:05.25 |
1:03.46 |
-1.79 |
|
Smith, Sydney S (12)
|
MAECCC |
59.80 |
DQ |
- |
|
Gatto, Gwenevere E (11)
|
MAMAR |
1:05.85 |
DQ |
- |
|
Tran, Tiffany T (11)
|
MAMAR |
|
DQ |
- |