| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Markman, Leopold (12)
|
NIGRAY |
38.33 |
37.61 |
-0.72 |
| 2 |
Singer, Jaden (12)
|
NIGRAY |
39.68 |
40.31 |
0.63 |
| 3 |
Cunningham, Rhys * (11)
|
NIGRAY |
39.85 |
40.40 |
0.55 |
| 4 |
Boicourt, Aidan (11)
|
NIKTYC |
38.78 |
41.31 |
2.53 |
| 5 |
Wang, Ziao Wang O (11)
|
NIGRAY |
42.02 |
41.46 |
-0.56 |
| 6 |
Spencer, Deven T (12)
|
NIGRAY |
41.14 |
41.74 |
0.60 |
| 7 |
Useda, Andres W (12)
|
NIGRAY |
|
44.84 |
- |
| 8 |
Chakkalakal, Vincent * (12)
|
NIGRAY |
46.92 |
45.40 |
-1.52 |
| 9 |
Angona, Joshua M (11)
|
NIGRAY |
44.86 |
45.75 |
0.89 |
| 10 |
Musa, Michael A (11)
|
NIGRAY |
46.67 |
46.22 |
-0.45 |
| 11 |
Lawrence, Henry (11)
|
ZZHRNY |
52.27 |
47.05 |
-5.22 |
| 12 |
Otero-Vazquez, Santiago (12)
|
NIGRAY |
46.22 |
48.19 |
1.97 |
| 13 |
Zuo, Yiding (11)
|
NIGRAY |
53.66 |
52.49 |
-1.17 |
|
Judd, Cody (11)
|
NIGRAY |
37.53 |
DQ |
- |