| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Eriksen, Alexander W (16)
|
PVNCAP |
53.78 |
53.98 |
0.20 |
| 2 |
Vinegas, Miguel G (17)
|
PVNCAP |
54.98 |
55.84 |
0.86 |
| 3 |
Levi, Phillip H (17)
|
PVNCAP |
53.54 |
55.94 |
2.40 |
| 4 |
Collins, William R (17)
|
PVSTJS |
54.53 |
57.19 |
2.66 |
| 5 |
Ramsdell, Jonathan C (15)
|
PVNCAP |
58.22 |
58.63 |
0.41 |
| 6 |
Steger, Peter F (16)
|
PVNCAP |
1:01.59 |
58.73 |
-2.86 |
| 7 |
Chilton, James W (15)
|
PVSTJS |
1:00.21 |
59.64 |
-0.57 |
| 8 |
Katen, Jonathan P (16)
|
PVNCAP |
1:01.26 |
1:00.27 |
-0.99 |
| 9 |
O'Neill, James P (15)
|
PVNCAP |
58.74 |
1:00.36 |
1.62 |
| 10 |
Seiger, Liam C (15)
|
PVNCAP |
59.54 |
1:00.60 |
1.06 |
| 11 |
Valli, Leonardo (16)
|
PVSTJS |
59.97 |
1:02.07 |
2.10 |
| 12 |
Dean, Wells G (17)
|
PVNCAP |
1:01.38 |
1:02.32 |
0.94 |
| 13 |
To, Christopher T (15)
|
PVNCAP |
1:04.55 |
1:02.96 |
-1.59 |
| 14 |
Scheifele, Jack N (15)
|
PVNCAP |
1:03.46 |
1:04.50 |
1.04 |
| 15 |
Majeti, Arnav (16)
|
PVNCAP |
1:08.04 |
1:04.62 |
-3.42 |
| 16 |
Yakes, James R (15)
|
PVNCAP |
1:03.50 |
1:05.43 |
1.93 |
| 17 |
Downey, Wyatt W (15)
|
PVNCAP |
1:02.53 |
1:05.84 |
3.31 |
| 18 |
Rabe, Xavier I (15)
|
PVNCAP |
1:07.45 |
1:06.13 |
-1.32 |
| 19 |
Dean, Wyatt H (15)
|
PVNCAP |
1:04.66 |
1:06.52 |
1.86 |
| 20 |
Tiago, Joseph D (16)
|
PVSTJS |
1:05.06 |
1:06.55 |
1.49 |
| 21 |
Yonas, Jadon (15)
|
PVSTJS |
1:12.13 |
1:08.52 |
-3.61 |
| 22 |
Gan, Alex X (15)
|
PVNCAP |
1:10.13 |
1:09.17 |
-0.96 |
| 23 |
Berdzenadze, Nodar (15)
|
PVSTJS |
|
1:11.47 |
- |
| 24 |
Middleton, Evan C (15)
|
PVNCAP |
1:10.13 |
1:11.75 |
1.62 |
| 25 |
Robare, Ari J (15)
|
PVNCAP |
1:12.39 |
1:14.26 |
1.87 |
| 26 |
Jones, Gavin W (15)
|
PVNCAP |
|
1:19.32 |
- |
| 27 |
Lam, Micah P (15)
|
PVSTJS |
|
1:19.40 |
- |
|
Bauernshub, Brayden A (16)
|
PVSTJS |
54.27 |
NS |
- |
|
Lynch, Cooper J (17)
|
PVSTJS |
1:01.49 |
NS |
- |
|
Fulwiler, Soma M (17)
|
PVNCAP |
1:04.39 |
NS |
- |