| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Charles, McKenzie E (12)
|
SCYSSC |
47.94 |
39.20 |
-8.74 |
| 2 |
Hedrick, Noah A (12)
|
NCYSST |
42.20 |
40.56 |
-1.64 |
| 3 |
Burns, Claire S (11)
|
SCYSSC |
44.09 |
41.05 |
-3.04 |
| 4 |
Brooks, Reese C (12)
|
SCYSSC |
45.37 |
41.26 |
-4.11 |
| 5 |
Chellappan, Prisha R (12)
|
SCYSSC |
44.24 |
41.88 |
-2.36 |
| 6 |
Strawn, Izabella L (12)
|
SCYSSC |
|
43.97 |
- |
| 7 |
Burns, Sadie A (11)
|
SCYSSC |
51.86 |
44.13 |
-7.73 |
| 8 |
Nguyen, Hannah (11)
|
SCYSSC |
49.46 |
46.06 |
-3.40 |
| 9 |
West, Nathaniel E (11)
|
SCYSSC |
51.21 |
46.28 |
-4.93 |
| 10 |
Ceneviva, Katharine M (11)
|
SCYSSC |
54.74 |
46.55 |
-8.19 |
| 11 |
DuBose, Owen R (11)
|
SCYSSC |
49.79 |
DQ |
- |
| 12 |
North, Hadley G (11)
|
SCYSSC |
|
46.89 |
- |
| 13 |
Goughneour, Lucas E (11)
|
SCYSSC |
47.92 |
49.35 |
1.43 |
| 14 |
Grunenwald, Cecilia B (11)
|
SCYSSC |
1:01.44 |
DQ |
- |
| 15 |
Burdeshaw, Lily M (11)
|
SCYSSC |
|
49.77 |
- |
| 16 |
McDowell, Shamgar E (11)
|
SCYSSC |
57.17 |
50.40 |
-6.77 |
| 17 |
Gilliam, Kierstin G (12)
|
SCYSSC |
51.99 |
52.46 |
0.47 |
| 18 |
Smith, Jaclyn P (12)
|
SCYSSC |
55.79 |
53.42 |
-2.37 |
| 19 |
Pratt, Elizabeth M (11)
|
SCYSSC |
|
1:03.67 |
- |
| 20 |
Conner, Elijah D (11)
|
SCYSSC |
|
DQ |
- |
|
Kerker, Zachary T (12)
|
SCYSSC |
|
NS |
- |
|
Kunz, Ingrid B (12)
|
SCYSSC |
|
NS |
- |