| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Luster, Avery (12)
|
UNAT |
|
39.62 |
- |
| 2 |
Fitzgerald, Devin C (11)
|
ORTEAM |
39.67 |
40.84 |
1.17 |
| 3 |
Swift, Lincoln P (12)
|
ORTOR |
39.56 |
41.16 |
1.60 |
| 4 |
Pederson, Boston L (11)
|
ORTOR |
41.11 |
42.28 |
1.17 |
| 5 |
Ozdogan, Ari B (12)
|
ORTEAM |
42.29 |
44.34 |
2.05 |
| 6 |
Goljenboom-Tonn, Dominic J (11)
|
ORSYD |
45.35 |
46.52 |
1.17 |
| 7 |
Kelly, Reed G (11)
|
ORSYD |
49.43 |
47.98 |
-1.45 |
| 8 |
Kiley, Hauke A (11)
|
ORTEAM |
48.91 |
51.23 |
2.32 |
| 9 |
Cohan, Samuel E (12)
|
ORRYST |
|
51.90 |
- |
| 10 |
Kelley, Josiah R (11)
|
ORSYD |
55.40 |
54.27 |
-1.13 |
| 11 |
McCulloch, Takazumi S (12)
|
ORTEAM |
1:04.43 |
55.87 |
-8.56 |
|
Bassir, Ian S (12)
|
ORSYD |
|
DQ |
- |
|
Schaffer, Seyum J (12)
|
ORTEAM |
59.78 |
DQ |
- |