| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wilkosz, Matthew M (12)
|
ADCLIN |
40.44 |
41.00 |
0.56 |
| 2 |
Paradis, Degaregen D (12)
|
ADCLIN |
42.43 |
42.84 |
0.41 |
| 3 |
Kinley, London D (11)
|
ADCLRK |
55.66 |
47.16 |
-8.50 |
| 4 |
Conrad, Gavin A (12)
|
ADADDI |
52.73 |
49.02 |
-3.71 |
| 5 |
Nuccio, Dominic S (12)
|
ADBENN |
1:00.69 |
49.65 |
-11.04 |
| 6 |
Squires, Ryan J (11)
|
ADCLIN |
53.60 |
53.71 |
0.11 |
| 7 |
Lin, Jierui (11)
|
ADNHA |
1:00.39 |
54.74 |
-5.65 |
| 8 |
Vilics, James M (11)
|
ADSCHE |
51.87 |
55.31 |
3.44 |
| 9 |
Clive, Eoin T (11)
|
ADNHA |
55.24 |
57.39 |
2.15 |
| 10 |
Howard, Jack M (11)
|
ADCLRK |
1:06.07 |
1:00.80 |
-5.27 |
| 11 |
Yastrzemski, Aleksander C (12)
|
ADCLRK |
1:12.14 |
1:08.64 |
-3.50 |
| 12 |
Goodfellow, Maxwell A (11)
|
ADADDI |
1:24.74 |
1:11.68 |
-13.06 |
|
Herringshaw, Jacob R (12)
|
ADCANA |
|
DQ |
- |
|
Berg, Dylan M (11)
|
ADNHA |
|
DQ |
- |
|
Brych, Nicholas M (12)
|
ADNHA |
54.90 |
DQ |
- |