| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hoover, John J (10)
|
LABAC |
37.86 |
39.15 |
1.29 |
| 2 |
Melton, Owen M (10)
|
LARRAC |
50.04 |
47.50 |
-2.54 |
| 3 |
Ketchum, Samuel K (10)
|
LABAC |
|
48.77 |
- |
| 4 |
Susilovich, Charles D (9)
|
LARRAC |
47.08 |
51.03 |
3.95 |
| 5 |
Denny, Bradley B (10)
|
LABAC |
53.59 |
54.16 |
0.57 |
| 6 |
Lyon, William R (9)
|
LABAC |
55.20 |
54.54 |
-0.66 |
| 7 |
Morgan, Kade E (10)
|
NTMTRO |
54.90 |
55.12 |
0.22 |
| 8 |
Sketo, Parker W (10)
|
LACOAS |
57.07 |
57.56 |
0.49 |
| 9 |
Hood, Beau D (9)
|
LALCAT |
55.55 |
58.81 |
3.26 |
| 10 |
Reynolds, Bridger W (9)
|
LABAC |
|
59.66 |
- |
| 11 |
Pitman, Eli S (9)
|
LARRAC |
57.72 |
1:00.63 |
2.91 |
| 12 |
Peddi, Harshit M (9)
|
NTMTRO |
1:22.31 |
1:01.37 |
-20.94 |
| 13 |
Self, Parker A (10)
|
LABAC |
1:01.05 |
1:01.78 |
0.73 |
| 14 |
Williams, Bennett H (9)
|
LABAC |
1:11.21 |
1:03.94 |
-7.27 |
| 15 |
Burton, Ronin V (9)
|
LARRAC |
1:13.63 |
1:04.01 |
-9.62 |
| 16 |
Wilkes, Evan M (9)
|
LABAC |
1:08.28 |
1:06.58 |
-1.70 |
| 17 |
Brown, Riley M (10)
|
LACOAS |
|
1:10.79 |
- |
|
Wimberly, Mason V (9)
|
LARRAC |
|
DQ |
- |
|
Culbertson, Nicholas B (10)
|
LARRAC |
49.13 |
NS |
- |