| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
O'Keeffe, Grant P (12)
|
ADSCHE |
1:04.81 |
1:06.74 |
1.93 |
| 2 |
Tong, Yuan L (12)
|
ADSCHE |
1:15.15 |
1:11.06 |
-4.09 |
| 3 |
Bette, Alexander J (12)
|
ADBFIN |
1:15.54 |
1:16.83 |
1.29 |
| 4 |
Wang, Samuel C (12)
|
ADSCHE |
1:19.22 |
1:17.79 |
-1.43 |
| 5 |
Zima, Isaac F (12)
|
ADSCHE |
1:28.33 |
1:22.96 |
-5.37 |
| 6 |
Banaszewski, Calvin M (12)
|
ADSCHE |
|
1:26.27 |
- |
| 7 |
Lisella, Miller J (11)
|
ADBFIN |
1:23.14 |
1:26.40 |
3.26 |
| 8 |
Nikodem, Carter J (11)
|
ADSCHE |
1:31.19 |
1:26.49 |
-4.70 |
| 9 |
Barlow, Jacob R (11)
|
ADCANA |
1:39.09 |
1:31.28 |
-7.81 |
| 10 |
Daly, Ryan W (11)
|
ADSCHE |
|
1:32.76 |
- |
| 11 |
Hastings, Charley D (12)
|
ADSCHE |
1:33.53 |
1:34.02 |
0.49 |
| 12 |
Dashiell, Michael W (11)
|
ADSCHE |
|
1:38.81 |
- |
| 13 |
Wilford, Juneau A (12)
|
ADSCHE |
|
1:42.32 |
- |
| 14 |
Titov-Chiaravalle, Asher G (11)
|
ADSCHE |
1:55.57 |
1:52.61 |
-2.96 |
| 15 |
Wheeler, Lucas S (11)
|
ADSCHE |
|
2:02.96 |
- |
|
Mazurowski, Emmett K (11)
|
ADSCHE |
|
DQ |
- |
|
Kardos, Henrik I (12)
|
ADSCHE |
1:50.52 |
DQ |
- |
|
Bhatnagar, Jaiden (11)
|
ADUSAM |
|
DQ |
- |