| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Petric, Luke S (12)
|
NTLTSD |
37.21 |
38.06 |
0.85 |
| 2 |
Bock, Clayton L (12)
|
NTTRAC |
|
42.95 |
- |
| 3 |
Daniel, Daniel A (12)
|
NTTRAC |
43.86 |
44.13 |
0.27 |
| 4 |
Houston, Jihaad J (12)
|
NTMTRO |
47.24 |
44.42 |
-2.82 |
| 5 |
Wilke, Daniel E (12)
|
NTMTRO |
47.49 |
44.48 |
-3.01 |
| 6 |
Dollins, Preston C (12)
|
NTFNW |
46.63 |
45.48 |
-1.15 |
| 7 |
Putty, Jacob C (12)
|
NTMARS |
46.67 |
45.91 |
-0.76 |
| 8 |
Sennett, Hayden M (12)
|
NTSTAR |
45.03 |
46.35 |
1.32 |
| 9 |
Le, Wilson P (10)
|
NTMARS |
|
46.41 |
- |
| 10 |
White, Jacob C (9)
|
NTMTRO |
|
49.65 |
- |
| 11 |
Ballesteros-Pena, Sergio A (12)
|
NTMARS |
|
52.22 |
- |
| 12 |
Case, James S (9)
|
NTESP |
49.13 |
52.24 |
3.11 |
| 13 |
Barbee-Estrada, Joaquin C (8)
|
NTMTRO |
|
52.56 |
- |
| 14 |
Nolan, Davis B (10)
|
NTSTAR |
54.31 |
52.80 |
-1.51 |
| 15 |
Parker, Jayden V (9)
|
NTMTRO |
50.87 |
53.27 |
2.40 |
| 16 |
Llanas Jr., Homero (11)
|
NTMARS |
51.16 |
53.94 |
2.78 |
| 17 |
Bray, Travis H (9)
|
NTESP |
53.35 |
56.39 |
3.04 |
| 18 |
Fox, Dylan A (9)
|
NTESP |
57.78 |
58.47 |
0.69 |
| 19 |
Lugo, Sergio R (10)
|
NTMARS |
57.55 |
1:00.45 |
2.90 |
| 20 |
Tran, Tristan H (11)
|
NTMTRO |
|
1:01.41 |
- |
|
Lipnik, Henry D (12)
|
NTESP |
57.47 |
DQ |
- |
|
Case, Scott W (6)
|
NTESP |
|
DQ |
- |
|
White, Xander C (11)
|
NTPAC |
53.39 |
NS |
- |
|
Nam, Nathan E (12)
|
NTSTAR |
40.58 |
NS |
- |
|
Daussat, Leo J (11)
|
NTMARS |
|
NS |
- |
|
Chase, Nathan M (12)
|
NTESP |
41.28 |
NS |
- |
|
Heller, Mason J (10)
|
NTTRAC |
|
NS |
- |