| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sharp, Ryan A (17)
|
NTMTRO |
50.33 |
49.84 |
-0.49 |
| 2 |
Ponder, Benjamin A (16)
|
LACLAC |
50.83 |
50.52 |
-0.31 |
| 3 |
Booth, Christian L (17)
|
LACLAC |
51.21 |
50.65 |
-0.56 |
| 4 |
English, Jonathan T (16)
|
LAUN |
52.52 |
52.36 |
-0.16 |
| 5 |
Whitehouse, James A (17)
|
LASPAR |
50.24 |
52.51 |
2.27 |
| 6 |
Oster, Davis A (16)
|
NTTRAC |
54.19 |
53.20 |
-0.99 |
| 7 |
Hartnett, Shane A (16)
|
LAUN |
52.26 |
53.40 |
1.14 |
| 8 |
Hapgood, Aaron T (16)
|
LARRAC |
58.34 |
55.65 |
-2.69 |
| 9 |
Szarvas, Gergely M (15)
|
LAUN |
59.32 |
55.75 |
-3.57 |
| 10 |
Sims, Kaden A (16)
|
NTMTRO |
1:02.86 |
55.84 |
-7.02 |
| 11 |
Cicman, Logan J (16)
|
NTMTRO |
56.10 |
56.31 |
0.21 |
| 12 |
Ayala, Ubaldo (15)
|
NTMTRO |
54.60 |
56.73 |
2.13 |
| 13 |
Feeney, Jameson D (17)
|
LARRAC |
56.74 |
59.47 |
2.73 |
| 14 |
Gordon, Thomas W (16)
|
LAUN$ |
1:00.21 |
1:02.86 |
2.65 |
| 15 |
Graham, Douglas D (16)
|
LARRAC |
1:12.85 |
1:08.79 |
-4.06 |
| 16 |
Briley, Malaki E (15)
|
LABAC |
1:09.37 |
1:09.55 |
0.18 |
| 17 |
Geter, Steven B (15)
|
LAUN$ |
1:18.29 |
1:16.57 |
-1.72 |
|
McCullough, Hayden C (15)
|
NTTRAC |
|
NS |
- |
|
Stillwell, Aiden M (15)
|
LARRAC |
1:11.29 |
NS |
- |