| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Salser, Ethan B (10)
|
VAPSDN |
41.06 |
40.67 |
-0.39 |
| 2 |
Hottle, Luke M (9)
|
VALY |
|
44.54 |
- |
| 3 |
Rice, Hudson J (9)
|
VALY |
|
45.17 |
- |
| 4 |
Croxton, Dylan J (10)
|
VAPSDN |
49.19 |
48.21 |
-0.98 |
| 5 |
Woodruff, Graham R (9)
|
VALY |
1:04.75 |
48.61 |
-16.14 |
| 6 |
Homiller, Charles J (9)
|
VAPSDN |
|
50.23 |
- |
| 7 |
Blackwell, William J (10)
|
VAPSDN |
54.22 |
50.76 |
-3.46 |
| 8 |
Harrington, Gavin A (10)
|
VALY |
|
51.15 |
- |
| 9 |
Smith, London M (9)
|
VAPSDN |
|
51.19 |
- |
| 10 |
Clark, Parker M (9)
|
VAPSDN |
48.63 |
51.35 |
2.72 |
| 11 |
Jones, Noah C (10)
|
NCYBAC |
55.49 |
52.76 |
-2.73 |
| 12 |
Sawyer, Evan J (9)
|
NCYBAC |
54.66 |
53.20 |
-1.46 |
| 13 |
Fong, Evan Y (9)
|
VALY |
|
53.91 |
- |
| 14 |
Kobek, Benjamin W (9)
|
VALY |
|
58.56 |
- |
| 15 |
Harrington, Rowan B (10)
|
VALY |
|
1:01.55 |
- |
|
Myers-Ramirez, Orion P (10)
|
VALY |
|
DQ |
- |