| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ulffers, Adam C (13)
|
NCECA |
|
39.73 |
- |
| 2 |
Waters, Austin F (11)
|
NCECA |
41.32 |
41.41 |
0.09 |
| 3 |
Hatfield, Geoffrey T (11)
|
NCECA |
43.75 |
42.15 |
-1.60 |
| 4 |
Anderson, Case M (11)
|
NCECA |
45.20 |
44.09 |
-1.11 |
| 5 |
Kinlan, Liam P (12)
|
NCECA |
47.77 |
47.02 |
-0.75 |
| 6 |
Marlow, Tiago V (10)
|
NCECA |
49.21 |
48.22 |
-0.99 |
| 7 |
Kinlan, Logan T (10)
|
NCECA |
50.01 |
48.57 |
-1.44 |
| 8 |
Pesko, Gavin E (9)
|
NCECA |
49.83 |
48.69 |
-1.14 |
| 9 |
Morrow, Charles J (13)
|
NCECA |
54.28 |
50.40 |
-3.88 |
| 10 |
Mitchell, Everett E (9)
|
NCECA |
59.91 |
59.00 |
-0.91 |
|
Squires, Arthur James M (10)
|
NCECA |
|
DQ |
- |
|
Timmerman, Noah R (9)
|
NCECA |
|
DQ |
- |
|
Davenport, Carter W (12)
|
NCECA |
58.11 |
DQ |
- |
|
Bowler, Mason C (8)
|
NCECA |
|
DQ |
- |
|
Robinson, Austin B (8)
|
NCECA |
|
NS |
- |
|
Robinson, Caleb A (7)
|
NCECA |
|
NS |
- |
|
Uveges III, Alfred C (11)
|
NCECA |
51.66 |
NS |
- |