| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gaillard, Parker J (12)
|
NCTYDE |
42.64 |
40.37 |
-2.27 |
| 2 |
Smith, Kendell G (12)
|
NCTYDE |
47.51 |
42.99 |
-4.52 |
| 3 |
Harvey, Matias E (12)
|
NCTYDE |
43.10 |
43.18 |
0.08 |
| 4 |
O'Donnell, Colin J (12)
|
NCTYDE |
43.94 |
44.09 |
0.15 |
| 5 |
Sheek, Benjamin L (11)
|
NCTYDE |
46.74 |
46.70 |
-0.04 |
| 6 |
Wang, Wanbo (11)
|
NCTYDE |
52.10 |
49.00 |
-3.10 |
| 7 |
Vallieres, Dominic L (12)
|
NCTYDE |
|
50.78 |
- |
| 8 |
Ginn, Josiah Chavez S (12)
|
NCTYDE |
51.92 |
51.81 |
-0.11 |
| 9 |
Sweet, Carson G (11)
|
NCTYDE |
58.17 |
52.50 |
-5.67 |
| 10 |
Stratmann, Brian P (11)
|
NCTYDE |
|
54.04 |
- |
| 11 |
Cohn, Landon J (11)
|
NCTYDE |
48.91 |
54.30 |
5.39 |
| 12 |
Otey, Hayden S (11)
|
NCTYDE |
55.47 |
54.85 |
-0.62 |
| 13 |
Shukla, Aryaman D (11)
|
NCTYDE |
54.87 |
55.38 |
0.51 |
| 14 |
Hankins, Colt D (11)
|
NCTYDE |
|
56.39 |
- |
|
Byers, John A (11)
|
NCTYDE |
1:03.82 |
DQ |
- |