| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hamlet, Thomas E (17)
|
NCEAC |
50.55 |
53.65 |
3.10 |
| 2 |
Kostelni, Christopher H (17)
|
VAWAC |
55.42 |
54.11 |
-1.31 |
| 3 |
Burrows, Andrew M (15)
|
VAWAC |
56.09 |
56.97 |
0.88 |
| 4 |
Spieler, Robert E (17)
|
NCEAC |
58.42 |
56.99 |
-1.43 |
| 5 |
Shives, Evan A (15)
|
NCTYDE |
55.74 |
57.16 |
1.42 |
| 6 |
Nouchi, Noah C (16)
|
NCTYDE |
55.92 |
57.65 |
1.73 |
| 7 |
Wyatt, James T (16)
|
NCTYDE |
54.63 |
57.71 |
3.08 |
| 8 |
Jones, Leighton L (15)
|
NCEAC |
1:00.73 |
1:01.29 |
0.56 |
| 9 |
Coffield, Aidan C (15)
|
NCEAC |
58.48 |
1:02.59 |
4.11 |
| 10 |
Roten, Landon T (15)
|
NCTYDE |
57.72 |
1:02.70 |
4.98 |
| 11 |
Vye, Nicholas W (15)
|
NCTYDE |
1:02.52 |
1:02.96 |
0.44 |
| 12 |
Esposito, William P (15)
|
NCGCY |
1:03.48 |
1:04.19 |
0.71 |
| 13 |
McDonald, Benjamin M (15)
|
NCGCY |
59.42 |
1:04.88 |
5.46 |
| 14 |
Ploplis, Reilly M (18)
|
NCRACY |
1:01.10 |
1:04.90 |
3.80 |
| 15 |
Epley, Matthew W (15)
|
NCRACY |
1:05.26 |
1:07.45 |
2.19 |
| 16 |
Reboussin, Auguste M (15)
|
NCEAC |
1:04.66 |
1:07.56 |
2.90 |
| 17 |
Presson, William A (16)
|
NCGCY |
1:04.83 |
1:11.04 |
6.21 |
| 18 |
Murali, Preetish N (15)
|
NCTYDE |
1:12.53 |
1:13.65 |
1.12 |
| 19 |
MacDermott, Maddux D (15)
|
NCRACY |
1:09.49 |
1:17.65 |
8.16 |
|
Callis, Harrison L (16)
|
VACCA |
1:24.97 |
DQ |
- |
|
Muire, Eric N (17)
|
NCGCY |
1:00.68 |
NS |
- |
|
Miroshnichenko, Alexander A (15)
|
NCGCY |
58.44 |
NS |
- |