| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wang, Samuel C (9)
|
ADSCHE |
50.49 |
49.52 |
-0.97 |
| 2 |
Ayers, Henry J (9)
|
ADCLRK |
50.96 |
51.14 |
0.18 |
| 3 |
Clive, Eoin T (10)
|
ADNHA |
1:04.40 |
55.24 |
-9.16 |
| 4 |
Lin, Jierui (10)
|
ADNHA |
|
1:00.39 |
- |
| 5 |
Barlow, Jacob R (8)
|
ADCANA |
1:02.96 |
1:03.53 |
0.57 |
| 6 |
Mian, Subhaan A (9)
|
ADCLIN |
1:03.76 |
1:07.24 |
3.48 |
|
Flannigan, Owen E (9)
|
ADCLRK |
|
DQ |
- |
|
Howard, Jack M (10)
|
ADCLRK |
|
DQ |
- |
|
Kinley, Hunter W (9)
|
ADCLRK |
|
DQ |
- |
|
Kinley, London D (10)
|
ADCLRK |
59.46 |
DQ |
- |
|
Sheldon, Ryles K (10)
|
ADCLRK |
|
DQ |
- |
|
Freiberger, Samuel N (10)
|
ADCLIN |
|
DQ |
- |
|
Sheaffer, Roman K (10)
|
ADCLIN |
|
DQ |
- |
|
St. Thomas, Logan M (10)
|
ADCLIN |
|
DQ |
- |
|
Stabinski, Viktor A (8)
|
ADCANA |
1:06.79 |
DQ |
- |
|
Vilics, James M (10)
|
ADSCHE |
|
DQ |
- |
|
Goodfellow, Maxwell A (10)
|
ADADDI |
|
DQ |
- |
|
Brennen, James D (8)
|
ADCLIN |
58.22 |
NS |
- |