| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Alms, John (10)
|
PVFISH |
46.54 |
45.79 |
-0.75 |
| 2 |
Pound, Maximilian J (10)
|
PVFISH |
49.24 |
46.78 |
-2.46 |
| 3 |
Garcia, Xavier T (10)
|
PVFISH |
50.10 |
49.76 |
-0.34 |
| 4 |
Roberge, Cordrey C (10)
|
PVFISH |
51.73 |
51.74 |
0.01 |
| 5 |
Sayasithsena, Vincent B (9)
|
PVFISH |
55.00 |
51.75 |
-3.25 |
| 6 |
Peng, Yue (10)
|
PVFISH |
56.78 |
52.75 |
-4.03 |
| 7 |
Tajima, Hideaki (9)
|
PVFISH |
1:00.00 |
53.89 |
-6.11 |
| 8 |
Winthrop, Nathan J (10)
|
PVFISH |
56.15 |
57.80 |
1.65 |
| 9 |
Alms, Charles H (9)
|
PVFISH |
1:00.55 |
58.85 |
-1.70 |
| 10 |
Koay, Ethan P (10)
|
PVFISH |
58.81 |
59.14 |
0.33 |
| 11 |
Mirali, Sina N (9)
|
PVFISH |
58.27 |
59.25 |
0.98 |
| 12 |
Mahadevan, Vilva V (9)
|
PVBWST |
55.00 |
1:00.50 |
5.50 |
| 13 |
Rawner Scannapieco, Marcus A (10)
|
PVFISH |
56.78 |
1:01.47 |
4.69 |
| 14 |
Abel, Oliver T (9)
|
PVFISH |
1:05.74 |
1:03.40 |
-2.34 |
| 15 |
Bockman, Elijah L (9)
|
PVFISH |
1:09.68 |
1:07.71 |
-1.97 |
|
Lam, Sebastian N (9)
|
PVFISH |
1:30.99 |
DQ |
- |
|
Kim, Brandon Y (10)
|
PVFISH |
1:11.52 |
DQ |
- |
|
Guo, Ryan X (9)
|
PVFISH |
1:09.05 |
DQ |
- |