| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kolling-Perin, Judah S (10)
|
NCACCH |
45.00 |
39.72 |
-5.28 |
| 1 |
Seawell, Christopher L (9)
|
NCHAC |
47.83 |
45.06 |
-2.77 |
| 2 |
Jones, Noah C (10)
|
NCYBAC |
44.00 |
41.95 |
-2.05 |
| 2 |
Popescu, Stephen M (10)
|
NCHAC |
59.06 |
52.17 |
-6.89 |
| 3 |
Sawyer, Evan J (9)
|
NCYBAC |
44.93 |
46.12 |
1.19 |
| 3 |
Schooff, Jackson K (9)
|
NCACCH |
50.00 |
54.72 |
4.72 |
| 4 |
Billard, John H (10)
|
NCHAC |
54.99 |
54.98 |
-0.01 |
| 5 |
Ruberte-Pabon, Evan A (9)
|
NCHAC |
55.25 |
55.35 |
0.10 |
| 6 |
Kotch, Daniel M (10)
|
NCACCH |
55.00 |
57.36 |
2.36 |
| 7 |
Schofield, Ronald F (10)
|
NCRACY |
|
1:06.55 |
- |
| 8 |
Hawkins III, Rodney D (10)
|
NCRACY |
1:09.83 |
1:06.72 |
-3.11 |
|
Kastner, Noah L (9)
|
NCYBAC |
|
DQ |
- |