| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gnagey, Anna E (11)
|
MDBAAC |
|
39.22 |
- |
| 2 |
Fixler, Alisa (11)
|
MDMSC |
42.50 |
41.88 |
-0.62 |
| 3 |
Weigel, Caroline M (11)
|
MDMSC |
44.39 |
42.57 |
-1.82 |
| 4 |
Hufnagel, Caroline L (12)
|
MDMSC |
52.57 |
44.84 |
-7.73 |
| 5 |
Horwitz, Anabel J (11)
|
MDMSC |
48.08 |
47.18 |
-0.90 |
| 6 |
Filburn, Samantha K (11)
|
MDFAST |
47.93 |
47.30 |
-0.63 |
| 7 |
Rossi, Alysa J (11)
|
MDFAST |
47.03 |
49.58 |
2.55 |
| 8 |
Purushothama, Anagha (11)
|
MDMSC |
|
50.59 |
- |
| 9 |
Antoniades, Marguerite E (12)
|
MDMSC |
50.26 |
51.26 |
1.00 |
| 10 |
Le, Christine T (11)
|
MDBAAC |
52.35 |
53.91 |
1.56 |
| 11 |
Arnold, Anastasia K (11)
|
MDBAAC |
|
58.33 |
- |
|
Reed, Gracie E (12)
|
MDBAAC |
|
DQ |
- |
|
Pumphrey, Nayev I (12)
|
MDMSC |
43.88 |
NS |
- |