| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ono, Shiki (8)
|
MRBAD |
37.90 |
35.30 |
-2.60 |
| 2 |
Luding, Benjamin (9)
|
MRAGUA |
37.65 |
36.14 |
-1.51 |
| 3 |
Lee-Walters, Wyatt (9)
|
MRAGUA |
39.62 |
37.33 |
-2.29 |
| 4 |
Ruiz-Massieu, Mikel (9)
|
MRAGUA |
39.77 |
39.06 |
-0.71 |
| 5 |
Smith, Quinn (9)
|
MRAGUA |
41.75 |
41.98 |
0.23 |
| 6 |
Qian, Molin (8)
|
MRAGUA |
43.28 |
42.62 |
-0.66 |
| 7 |
Su, Winter (9)
|
MRAGUA |
45.14 |
42.70 |
-2.44 |
| 8 |
Hoffmann, Maximilian H (9)
|
MRAGUA |
45.15 |
45.32 |
0.17 |
| 9 |
Turpin, Felix (9)
|
MRAGUA |
46.31 |
45.37 |
-0.94 |
| 10 |
Kang, Joey (9)
|
MRAQRC |
45.82 |
47.68 |
1.86 |
| 11 |
Maslov, Luka (9)
|
MRAGUA |
54.66 |
47.88 |
-6.78 |
| 12 |
Marescot, Yutaka D (8)
|
NJJFAC |
|
51.19 |
- |
| 13 |
Delikat, Olivier P (9)
|
MRCOND |
|
57.51 |
- |
| 14 |
Saloutenko, Hunter H (9)
|
MRCOND |
1:16.23 |
1:04.35 |
-11.88 |
| 15 |
Sawyer, Maison L (9)
|
MRCOND |
|
1:16.82 |
- |
|
Bajgierowicz, Michael (9)
|
MRCOND |
|
DQ |
- |