| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Balachandran, Isabelle P (16)
|
MRBAD |
1:00.83 |
1:02.52 |
1.69 |
| 2 |
Alexander, Sinceraty D (17)
|
MRBGNW |
1:00.34 |
1:02.87 |
2.53 |
| 3 |
Loveless, MaryKate (16)
|
MRBAD |
1:01.88 |
1:04.50 |
2.62 |
| 4 |
Iannetta, Ava L (17)
|
MRBGNW |
1:02.99 |
1:04.68 |
1.69 |
| 5 |
Gerosa, Nicole C (15)
|
MRBGNW |
1:05.30 |
1:05.32 |
0.02 |
| 6 |
Barr, Fiona P (13)
|
MRBAD |
1:02.50 |
1:05.74 |
3.24 |
| 7 |
Blakeslee, Kaitlin P (17)
|
MRBGNW |
1:05.39 |
1:06.73 |
1.34 |
| 8 |
Dillane, Chloe J (15)
|
MRBGNW |
1:09.31 |
1:08.11 |
-1.20 |
| 9 |
Andrews, Olivia A (16)
|
MRBGNW |
1:12.24 |
1:10.29 |
-1.95 |
| 10 |
Convery, Sarah A (15)
|
MRBGNW |
1:08.24 |
1:10.30 |
2.06 |
| 11 |
Patterson, Clare M (16)
|
MRBGNW |
1:07.64 |
1:12.02 |
4.38 |
| 12 |
Williams, Laura A (15)
|
MRBGNW |
1:11.30 |
1:12.77 |
1.47 |
| 13 |
Sun, Julia (15)
|
MRBGNW |
1:09.34 |
1:13.57 |
4.23 |
|
Tello, Lizette (16)
|
MRBGNW |
1:12.70 |
NS |
- |