| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Browne, William H (16)
|
VACA-Y |
48.22 |
50.81 |
2.59 |
| 2 |
Schonfelder, Maxwell C (17)
|
VALY |
51.59 |
55.55 |
3.96 |
| 3 |
Xu, George T (16)
|
VALY |
54.38 |
57.16 |
2.78 |
| 4 |
Warren, Joshua S (16)
|
VALY |
54.67 |
57.35 |
2.68 |
| 5 |
Rice, Hudson J (15)
|
VALY |
53.85 |
57.91 |
4.06 |
| 6 |
Hottle, Davis M (16)
|
VALY |
53.88 |
57.95 |
4.07 |
| 7 |
Snyder, Avery M (15)
|
VALY |
1:00.67 |
59.43 |
-1.24 |
| 8 |
Stevenson, Declund J (16)
|
VALY |
55.80 |
59.80 |
4.00 |
| 9 |
Jackson, Jacob T (18)
|
VAVABR |
56.25 |
59.90 |
3.65 |
| 10 |
Wilkes, Connor J (17)
|
VAVABR |
54.35 |
59.96 |
5.61 |
| 11 |
Cooper, Mason A (17)
|
VALY |
1:01.91 |
1:02.25 |
0.34 |
| 12 |
Shirley, Brayden E (16)
|
VAFCFY |
1:01.31 |
1:04.90 |
3.59 |
| 13 |
Cairns, Landon H (16)
|
VAVABR |
1:05.99 |
1:07.12 |
1.13 |
| 14 |
Wells, Noah B (16)
|
VALY |
1:03.29 |
1:07.13 |
3.84 |
|
Roberts, Samuel M (15)
|
VACA-Y |
1:03.63 |
NS |
- |
|
Widzisz, Owen A (18)
|
VALY |
51.52 |
NS |
- |