| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
York, Tyler D (11)
|
SCTG |
34.16 |
34.31 |
0.15 |
| 2 |
Shirley, Gus H (11)
|
SCKSA |
33.95 |
34.73 |
0.78 |
| 3 |
Lancaster, William W (12)
|
SCYSSC |
40.03 |
35.09 |
-4.94 |
| 4 |
Macias-Martinez, Pablo E (12)
|
SCAAYM |
37.34 |
35.16 |
-2.18 |
| 5 |
Rose, Nolan G (12)
|
SCAAYM |
37.57 |
35.32 |
-2.25 |
| 6 |
Chacon, Evan G (12)
|
SCYSSC |
37.39 |
35.40 |
-1.99 |
| 7 |
DaSilva, Robert A (12)
|
SCAAYM |
36.44 |
36.39 |
-0.05 |
| 8 |
West, Nathaniel E (11)
|
SCYSSC |
35.26 |
36.72 |
1.46 |
| 9 |
Bognar, Rowan A (11)
|
SCTG |
38.51 |
37.61 |
-0.90 |
| 10 |
Whitney, Logan J (12)
|
SCYCSC |
40.27 |
38.82 |
-1.45 |
| 11 |
Powell, Tradd D (12)
|
SCYCSC |
38.44 |
39.34 |
0.90 |
| 12 |
Zadel, Collin J (11)
|
SCKSA |
36.81 |
39.51 |
2.70 |
| 13 |
Zamcho, William N (12)
|
SCYCSC |
45.90 |
39.66 |
-6.24 |
| 14 |
Lewis, Asa B (11)
|
SCYSSC |
|
40.46 |
- |
| 15 |
McDowell, Shamgar E (11)
|
SCYSSC |
37.39 |
40.65 |
3.26 |
| 16 |
Williams, Kanius E (11)
|
SCKSA |
|
40.76 |
- |
| 17 |
Bravo, Miguel C (12)
|
SCTG |
41.10 |
42.59 |
1.49 |
| 18 |
Allen, Bryson T (12)
|
SCYCSC |
48.33 |
43.42 |
-4.91 |
| 19 |
Blanton, Isaac N (11)
|
SCCAT |
43.09 |
47.92 |
4.83 |
| 20 |
Moss, Landon (12)
|
SCFAY |
|
48.60 |
- |
| 21 |
Boyce, James M (11)
|
SCYCSC |
|
51.62 |
- |
| 22 |
Wade, Deacon L (11)
|
SCYSSC |
51.93 |
53.91 |
1.98 |
| 23 |
McEntyre, Caleb W (11)
|
SCYSSC |
1:06.28 |
1:02.73 |
-3.55 |
|
McPherson, John C (11)
|
SCYCSC |
41.15 |
DQ |
- |
|
Kerker, Zachary T (12)
|
SCYSSC |
|
NS |
- |