| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
O'Keeffe, Grant P (12)
|
ADSCHE |
56.76 |
58.60 |
1.84 |
| 2 |
Tong, Yuan L (12)
|
ADSCHE |
1:04.41 |
1:02.53 |
-1.88 |
| 3 |
Nikodem, Carter J (11)
|
ADSCHE |
1:12.07 |
1:07.64 |
-4.43 |
| 4 |
Zima, Isaac F (12)
|
ADSCHE |
1:19.06 |
1:10.69 |
-8.37 |
| 5 |
Banaszewski, Calvin M (12)
|
ADSCHE |
1:16.04 |
1:11.25 |
-4.79 |
| 6 |
Lisella, Miller J (11)
|
ADBFIN |
1:09.54 |
1:12.14 |
2.60 |
| 7 |
Brehm, Alek M (11)
|
ADBFIN |
1:14.78 |
1:14.99 |
0.21 |
| 8 |
Daly, Ryan W (11)
|
ADSCHE |
1:37.59 |
1:17.12 |
-20.47 |
| 9 |
Hastings, Charley D (12)
|
ADSCHE |
1:22.20 |
1:17.89 |
-4.31 |
| 10 |
Barlow, Jacob R (11)
|
ADCANA |
1:30.61 |
1:18.74 |
-11.87 |
| 11 |
Dashiell, Michael W (11)
|
ADSCHE |
|
1:22.50 |
- |
| 12 |
Bhatnagar, Jaiden (11)
|
ADUSAM |
1:35.44 |
1:23.02 |
-12.42 |
| 13 |
Andreini, Finn M (12)
|
ADSCHE |
1:32.85 |
1:25.59 |
-7.26 |
| 14 |
Wilford, Juneau A (12)
|
ADSCHE |
1:29.94 |
1:31.89 |
1.95 |
| 15 |
Mazurowski, Emmett K (11)
|
ADSCHE |
1:37.15 |
1:34.02 |
-3.13 |
| 16 |
Coffey, Michael P (11)
|
ADSCHE |
|
1:35.82 |
- |
| 17 |
Barnoski, William C (11)
|
ADSCHE |
1:49.04 |
1:40.09 |
-8.95 |
| 18 |
Kardos, Henrik I (12)
|
ADSCHE |
|
1:45.34 |
- |
| 19 |
Trujillo, Lucas (11)
|
ADSCHE |
|
1:48.39 |
- |
| 20 |
Wheeler, Lucas S (11)
|
ADSCHE |
2:24.36 |
1:49.15 |
-35.21 |
|
Bette, Alexander J (12)
|
ADBFIN |
1:03.54 |
DQ |
- |
|
Van Wie, Cody M (11)
|
ADCANA |
|
NS |
- |