| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Coppens, Talen J (9)
|
WIASC |
54.31 |
53.11 |
-1.20 |
| 2 |
Neumeier, Truman (10)
|
WIEBSC |
57.93 |
53.84 |
-4.09 |
| 3 |
Gundrum, Benjamin J (9)
|
WIWBSC |
57.03 |
53.89 |
-3.14 |
| 4 |
Shi, Lanting (10)
|
WIEBSC |
1:12.24 |
54.23 |
-18.01 |
| 5 |
Jens, Liam R (10)
|
WIOZ |
46.97 |
54.66 |
7.69 |
| 6 |
Green, Archer G (9)
|
WIEBSC |
59.87 |
54.85 |
-5.02 |
| 7 |
Patterson, Eamon M (10)
|
WIEBSC |
58.41 |
55.40 |
-3.01 |
| 8 |
Dold, Wyatt G (9)
|
WIEBSC |
52.62 |
57.31 |
4.69 |
| 9 |
Hock, Talin W (8)
|
WIGBSC |
58.55 |
57.50 |
-1.05 |
| 10 |
Johnson, Timothy J (8)
|
WIEBSC |
1:00.51 |
58.22 |
-2.29 |
| 11 |
Kramer, Thomas J (10)
|
WIRA |
51.78 |
58.43 |
6.65 |
| 12 |
Olson, Isaac D (10)
|
WIWBSC |
1:01.62 |
58.60 |
-3.02 |
| 13 |
Toll, Tanner A (10)
|
WISHOR |
1:02.49 |
1:01.49 |
-1.00 |
| 14 |
Christianson, Miles H (8)
|
WIEBSC |
1:01.60 |
1:02.19 |
0.59 |
| 15 |
Kawa, Griffin J (9)
|
WIEBSC |
1:04.36 |
1:04.55 |
0.19 |
| 16 |
O'Quinn, Oliver H (9)
|
WIRA |
1:08.08 |
1:07.49 |
-0.59 |
| 17 |
Reddy, Satvik S (9)
|
WIEBSC |
1:06.40 |
1:11.62 |
5.22 |
| 18 |
Douglas, Zachary T (8)
|
WIRA |
1:15.28 |
1:13.70 |
-1.58 |
| 19 |
Sikoria, Aarav S (9)
|
WIRA |
1:11.89 |
1:14.28 |
2.39 |
| 20 |
Panduri, Tanish S (9)
|
WIEBSC |
|
1:19.04 |
- |
|
Grossmeyer, Gilbert T (8)
|
WIRA |
1:15.35 |
DQ |
- |
|
Krueger, Jameson T (7)
|
WIEBSC |
|
DQ |
- |
|
Bansemar, Nolan C (8)
|
WIEBSC |
|
DQ |
- |
|
Bansemar, Harrison E (8)
|
WIEBSC |
|
DQ |
- |