| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Browne, William H (14)
|
VACA-Y |
48.19 |
48.34 |
0.15 |
| 2 |
Easton, Chase J (13)
|
VACA-Y |
53.05 |
51.69 |
-1.36 |
| 3 |
Charlton, William P (13)
|
VACA-Y |
53.23 |
52.67 |
-0.56 |
| 4 |
Sawyer, Bradley O (13)
|
VACA-Y |
53.14 |
54.22 |
1.08 |
| 5 |
King, Brayden D (13)
|
VACA-Y |
53.40 |
54.23 |
0.83 |
| 6 |
Alexander, Charles T (13)
|
VACA-Y |
53.20 |
54.28 |
1.08 |
| 7 |
Hathaway, Jacques T (14)
|
VACA-Y |
1:01.99 |
54.93 |
-7.06 |
| 8 |
Hund-Ferrandiz, Marc A (14)
|
VACA-Y |
|
55.07 |
- |
| 9 |
Ding, Aiden C (14)
|
VACA-Y |
56.43 |
57.27 |
0.84 |
| 10 |
Syms, Jacob C (13)
|
VACA-Y |
59.13 |
57.53 |
-1.60 |
| 11 |
Bledsoe, Samuel C (14)
|
VACA-Y |
56.36 |
57.55 |
1.19 |
| 12 |
Tungate, Benjamin L (13)
|
VACA-Y |
58.96 |
58.29 |
-0.67 |
| 13 |
Cohen, Jacob A (14)
|
VACA-Y |
1:05.64 |
1:02.24 |
-3.40 |
| 14 |
Roberts, Samuel M (13)
|
VACA-Y |
1:04.58 |
1:05.19 |
0.61 |