| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pelesh, Matviy R (10)
|
MDACSS |
|
38.54 |
- |
| 1 |
Roome, Daniel H (10)
|
PVNCAP |
39.74 |
42.40 |
2.66 |
| 1 |
Portillo-Martinez, Lucas N (8)
|
PVPAC |
53.57 |
55.48 |
1.91 |
| 2 |
Williams, Ethyn P (10)
|
PVPAC |
1:10.10 |
1:01.86 |
-8.24 |
| 2 |
Band, Harrison P (8)
|
PVNCAP |
40.16 |
39.23 |
-0.93 |
| 2 |
Berry, Jack B (10)
|
PVNCAP |
41.28 |
43.44 |
2.16 |
| 3 |
Spinelli, Declan F (8)
|
PVNCAP |
|
1:06.48 |
- |
| 3 |
Velazquez, Oliver F (10)
|
PVPAC |
43.41 |
44.69 |
1.28 |
| 4 |
Landgraf Venditti, Filippo (9)
|
PVWSH |
|
1:07.51 |
- |
| 4 |
Bu, Daniel Y (9)
|
PVNCAP |
41.23 |
45.14 |
3.91 |
| 5 |
Halbe, Levi (8)
|
PVNCAP |
1:06.69 |
1:10.01 |
3.32 |
| 5 |
Mulkey, Jack E (10)
|
PVNCAP |
51.35 |
47.75 |
-3.60 |
| 6 |
McCarthy, Oliver A (10)
|
PVNCAP |
49.82 |
47.81 |
-2.01 |
| 7 |
Kennedy, Charlie A (9)
|
PVNCAP |
50.61 |
48.23 |
-2.38 |
| 8 |
Johnson, Connor S (9)
|
PVNCAP |
48.27 |
50.63 |
2.36 |
| 9 |
Kelly, George R (9)
|
PVTIBU |
|
51.37 |
- |
|
Bembridge, Benjamin A (8)
|
PVPAC |
|
DQ |
- |
|
Sun, Leonard (10)
|
PVNCAP |
55.01 |
NS |
- |
|
Van Loon, Lucas L (10)
|
PVTIBU |
48.33 |
NS |
- |