| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Johnson, Josh A (16)
|
MRMWDA |
51.45 |
55.99 |
4.54 |
| 2 |
Mummery, John F (16)
|
MRNBS |
56.28 |
58.31 |
2.03 |
| 3 |
Insdorf, Joshua C (15)
|
MRMWDA |
56.60 |
59.57 |
2.97 |
| 4 |
Baxter, Ayden C (17)
|
MRMWDA |
56.19 |
1:00.00 |
3.81 |
| 5 |
Fernandez, Eliseo D (16)
|
MRMHHW |
58.15 |
1:01.29 |
3.14 |
| 6 |
Yastion, Adam E (16)
|
MRMWDA |
1:00.96 |
1:04.21 |
3.25 |
| 7 |
Espinoza-Soriano, Jorge (13)
|
MRMHHW |
1:03.53 |
1:07.94 |
4.41 |
| 8 |
Croutch, Tyler D (13)
|
MRMWDA |
1:09.75 |
1:09.68 |
-0.07 |
| 9 |
Felker, Christopher D (14)
|
MRMWDA |
1:11.22 |
1:10.24 |
-0.98 |
| 10 |
Gonzalez, Jedadiah (15)
|
MRMHHW |
1:30.00 |
1:11.87 |
-18.13 |
| 11 |
Ramirez, Bryan E (16)
|
MRMHHW |
1:07.83 |
1:12.13 |
4.30 |