| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Callan, Samuel W (14)
|
SEMTYS |
32.70 |
29.01 |
-3.69 |
| 1 |
Smythe, Holden K (14)
|
SEMTYS |
31.66 |
29.01 |
-2.65 |
| 3 |
Rhoades, Marcus A (14)
|
LARRAC |
32.25 |
29.39 |
-2.86 |
| 4 |
Nicolosi, Augustus J (14)
|
LARRAC |
31.00 |
29.83 |
-1.17 |
| 5 |
Cuevas, Juan (13)
|
STDDST |
33.66 |
32.00 |
-1.66 |
| 6 |
Rodriguez, Sebastian (13)
|
USCSY |
31.45 |
32.06 |
0.61 |
| 7 |
Vandiver, William J (14)
|
LARRAC |
37.62 |
32.60 |
-5.02 |
| 8 |
Hasenfratz, Michael (13)
|
PCY |
32.45 |
32.66 |
0.21 |
| 9 |
Birdsong, Jacob D (13)
|
LARRAC |
37.26 |
33.63 |
-3.63 |
| 10 |
Hodson, Trenton (14)
|
COPY |
|
35.91 |
- |
| 11 |
Ortiz, Kevin (13)
|
STDDST |
36.81 |
36.35 |
-0.46 |
| 12 |
Almaguer, Caleb (13)
|
STDDST |
40.00 |
37.06 |
-2.94 |
| 13 |
Moreno, Ivan (13)
|
USKRKN |
39.04 |
42.98 |
3.94 |
| 14 |
Winston, Rickey A (13)
|
LARRAC |
46.63 |
44.78 |
-1.85 |
| 15 |
Sarvis, Andrew B (13)
|
LARRAC |
56.55 |
53.43 |
-3.12 |