| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Szekely, Alexandra E (17)
|
MACBST |
54.18 |
57.37 |
3.19 |
| 2 |
Scott, Morgan E (15)
|
MACBST |
55.35 |
1:00.60 |
5.25 |
| 3 |
Stockett, Gabriella N (17)
|
MASSC |
59.80 |
1:01.28 |
1.48 |
| 4 |
Blaser, Hannah K (17)
|
MACBST |
1:04.74 |
1:01.54 |
-3.20 |
| 5 |
Flick, Riley M (16)
|
MASSC |
58.31 |
1:01.67 |
3.36 |
| 6 |
Szekely, Stephanie I (16)
|
MACBST |
1:00.58 |
1:03.02 |
2.44 |
| 7 |
Lengel, Erin E (16)
|
MACBST |
1:03.66 |
1:03.09 |
-0.57 |
| 8 |
Martin, Summer M (16)
|
MASSC |
58.64 |
1:03.38 |
4.74 |
| 9 |
Spirk, Jill S (16)
|
MALVA |
59.51 |
1:04.94 |
5.43 |
| 10 |
Mortimer, Kirsten B (17)
|
MACBST |
1:01.28 |
1:05.01 |
3.73 |
| 11 |
O'Dare, Ann T (15)
|
MACBST |
1:02.04 |
1:05.85 |
3.81 |
| 12 |
McCue, Kiley P (15)
|
MARAD |
1:08.19 |
1:06.21 |
-1.98 |
| 13 |
Aguirre, Madeleine T (15)
|
MASSC |
1:04.55 |
1:06.59 |
2.04 |
| 14 |
Cassidy, Caroline R (16)
|
MACBST |
1:03.05 |
1:06.67 |
3.62 |
| 15 |
Brasch, Kirsten E (16)
|
MACBST |
1:04.91 |
1:07.25 |
2.34 |
| 16 |
Paglia, Samantha J (15)
|
MASSC |
|
1:07.26 |
- |
| 17 |
Townend, Lucy M (15)
|
MASSC |
1:00.90 |
1:07.39 |
6.49 |
| 18 |
Chell, Stephanie N (15)
|
MACBFY |
1:04.89 |
1:08.99 |
4.10 |
| 19 |
Adams, Marin E (15)
|
MASSC |
1:07.24 |
1:09.24 |
2.00 |
| 20 |
Homitz, Jessica L (16)
|
MASSC |
1:10.48 |
1:09.95 |
-0.53 |
| 21 |
Stasio, Sophie E (16)
|
MAHHAA |
|
1:10.35 |
- |
| 22 |
Davis, Katherine L (15)
|
MALVA |
1:07.11 |
1:14.59 |
7.48 |
| 23 |
Dyke, Shannon (15)
|
MACBFY |
1:33.46 |
1:26.46 |
-7.00 |
|
Greene, Abbegael S (15)
|
MANPAC |
1:11.85 |
NS |
- |
|
Kirlin, Colleen R (15)
|
MALMOR |
1:05.80 |
NS |
- |
|
Buczacki, Hanah N (15)
|
MALMOR |
1:10.91 |
NS |
- |