| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Busby, Jonathan D (12)
|
UN |
1:19.86 |
1:11.86 |
-8.00 |
| 2 |
Russ, William W (12)
|
MSMMST |
1:11.46 |
1:13.88 |
2.42 |
| 3 |
Knudson, Cameron S (12)
|
MSSUNS |
1:19.51 |
1:14.37 |
-5.14 |
| 4 |
Norwood, Austin J (12)
|
MSVSAI |
1:20.13 |
1:14.86 |
-5.27 |
| 5 |
Abdo, Adel A (12)
|
MSMMST |
1:19.31 |
1:16.80 |
-2.51 |
| 6 |
Williams, David G (11)
|
UN |
1:29.08 |
1:17.73 |
-11.35 |
| 7 |
Magbanua, Reinzi Breih V (11)
|
MSSWAT |
1:31.97 |
1:22.28 |
-9.69 |
| 8 |
Smith, Luke H (12)
|
MSMMST |
1:32.50 |
1:23.55 |
-8.95 |
| 9 |
Smith, Joshua A (12)
|
MSMMST |
1:28.48 |
1:25.57 |
-2.91 |
| 10 |
Baird, Nathan B (12)
|
MSMMST |
1:29.22 |
1:26.63 |
-2.59 |
| 11 |
Dang, Josiah T (11)
|
LARRAC |
1:30.19 |
1:28.52 |
-1.67 |
| 12 |
Clarke, Jonah C (11)
|
MSPEAQ |
1:31.60 |
1:29.25 |
-2.35 |
| 13 |
Tate, John H (11)
|
MSMMST |
1:38.75 |
1:31.09 |
-7.66 |
| 14 |
Russell, Brendan D (12)
|
LACOSS |
1:33.81 |
1:32.20 |
-1.61 |
| 15 |
Allin, John M (11)
|
MSMMST |
1:31.51 |
1:32.27 |
0.76 |
| 16 |
Taylor, William Z (12)
|
MSSUNS |
|
1:35.61 |
- |
| 17 |
Pratt, Joshua R (11)
|
LACOLA |
1:37.15 |
1:38.45 |
1.30 |
| 18 |
Knowles, Ryan C (11)
|
MSMMST |
1:40.31 |
1:38.49 |
-1.82 |
| 19 |
Edmonds, Joseph K (12)
|
LACOLA |
|
1:38.87 |
- |
| 20 |
Birdsong, Jacob D (12)
|
LACOSS |
1:45.64 |
1:41.48 |
-4.16 |
| 21 |
Johnson, Joshua P (12)
|
MSMMST |
1:48.77 |
1:42.22 |
-6.55 |
| 22 |
Mason, James A (11)
|
MSVSAI |
1:55.14 |
1:43.07 |
-12.07 |
| 23 |
White, Howard J (12)
|
LASC |
|
1:48.76 |
- |
| 24 |
Richardson, Isaac D (11)
|
LABAC |
|
1:55.47 |
- |
| 25 |
Osborne, Owen P (11)
|
LACOSS |
2:06.04 |
2:07.99 |
1.95 |
| 26 |
Hill, Judah C (11)
|
MSMMST |
|
2:17.25 |
- |
|
Rowe, Alex F (12)
|
MSVSAI |
2:22.55 |
DQ |
- |
|
Pennington, Elijah J (11)
|
MSMMST |
|
DQ |
- |