| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thurston, Harper (12)
|
FGNPB |
35.99 |
36.66 |
0.67 |
| 2 |
Chardon, Addison (12)
|
FGNPB |
38.07 |
37.79 |
-0.28 |
| 3 |
Nelson, Olivia G (12)
|
FGNPB |
38.67 |
38.17 |
-0.50 |
| 4 |
Cogle, Siri A (12)
|
FGJDST |
41.45 |
40.72 |
-0.73 |
| 5 |
Patton, Mia K (12)
|
FGUN |
|
40.93 |
- |
| 6 |
Hidalgo Cadet, Maripaz (12)
|
FGJDST |
43.65 |
44.72 |
1.07 |
| 7 |
Kneiss, Addison G (12)
|
FGMART |
46.97 |
46.56 |
-0.41 |
| 8 |
Zajac, Audrey P (11)
|
FLTCSC |
45.31 |
49.92 |
4.61 |
| 9 |
Rogers, Kathryn G (11)
|
FGMART |
51.84 |
51.73 |
-0.11 |
| 10 |
Finlayson, Skylar A (11)
|
FGJDST |
|
52.06 |
- |
| 11 |
Tribou, Miriam E (11)
|
FGJDST |
51.19 |
53.12 |
1.93 |
| 12 |
O'Malley, Scarlett R (11)
|
FGJDST |
54.15 |
53.76 |
-0.39 |
| 13 |
Dunworth, Abigail E (12)
|
FGMART |
|
1:00.19 |
- |
|
Jansen, Hayden N (11)
|
FLTCA |
|
DQ |
- |
|
Fales, Lanai E (11)
|
FGNPB |
1:04.88 |
NS |
- |
|
Wells, Aria K (12)
|
FGNPB |
55.75 |
NS |
- |
|
Famiano, Giuliana E (11)
|
FGPOMP |
48.02 |
NS |
- |