| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Aramini, Macon G (9)
|
ADCLRK |
47.98 |
47.01 |
-0.97 |
| 2 |
Kinley, London D (10)
|
ADCLRK |
51.30 |
50.49 |
-0.81 |
| 3 |
Bixby, Jameson S (10)
|
ADSVP |
1:02.66 |
55.77 |
-6.89 |
| 4 |
Strobeck, Griffin M (9)
|
ADSVP |
53.42 |
57.55 |
4.13 |
| 5 |
Flannigan, Owen E (9)
|
ADCLRK |
55.93 |
58.17 |
2.24 |
| 6 |
Kinley, Hunter W (9)
|
ADCLRK |
|
1:03.77 |
- |
| 7 |
Sheldon, Ryles K (10)
|
ADCLRK |
|
1:08.34 |
- |
|
Ayers, Henry J (8)
|
ADCLRK |
57.63 |
DQ |
- |
|
Yastrzemski, Aleksander C (10)
|
ADCLRK |
|
DQ |
- |
|
Fernandez, Landen G (9)
|
ADCANA |
|
DQ |
- |
|
Howard, Jack M (10)
|
ADCLRK |
|
NS |
- |
|
Herringshaw, Jacob R (10)
|
ADCANA |
|
NS |
- |