| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rademacker, Owen (10)
|
CSAY |
1:18.38 |
1:16.62 |
-1.76 |
| 2 |
Lamont, Dylan (10)
|
LOCK |
1:20.69 |
1:18.14 |
-2.55 |
| 3 |
Frederes, Landon (10)
|
WRN |
1:24.31 |
1:19.68 |
-4.63 |
| 4 |
Lee, Brady (10)
|
NISKAN |
1:21.68 |
1:25.18 |
3.50 |
| 5 |
Dickmann, Lachlan (10)
|
CSAY |
1:23.41 |
1:28.75 |
5.34 |
| 6 |
Reeves, Daniel (9)
|
NIGRAY |
1:35.49 |
1:29.35 |
-6.14 |
| 7 |
Sanderson, Billy L (10)
|
NIGRAY |
1:30.96 |
1:30.45 |
-0.51 |
| 8 |
Wu, Brandon (10)
|
NIKTYC |
1:38.41 |
1:32.89 |
-5.52 |
| 9 |
Falls, Padraig J (9)
|
NICORY |
1:36.30 |
1:33.84 |
-2.46 |
| 10 |
Partigianoni, Charles C (10)
|
NICORY |
1:34.96 |
1:35.28 |
0.32 |
| 11 |
Levy, Robert J (9)
|
NIGRAY |
1:33.59 |
1:36.40 |
2.81 |
| 12 |
Higley, Henry M (9)
|
NIGRAY |
1:35.76 |
1:36.60 |
0.84 |
| 13 |
Van Kersbergen, Jensen R (9)
|
NISKAN |
1:37.42 |
1:36.69 |
-0.73 |
| 14 |
Padula, Anthony (10)
|
ADGUY |
1:39.40 |
1:37.78 |
-1.62 |
| 15 |
Swab, Nathaniel C (9)
|
NIAYST |
1:42.85 |
1:38.74 |
-4.11 |
| 16 |
Bartlett, Joshua (9)
|
ZZESYS |
1:40.84 |
1:41.71 |
0.87 |
| 17 |
Harrington, Robert A (9)
|
NIGRAY |
1:49.12 |
1:43.33 |
-5.79 |
| 18 |
Martino, James (9)
|
LOCK |
1:50.20 |
1:45.00 |
-5.20 |
| 19 |
Krohn, Gavin (9)
|
NIGRAY |
1:50.46 |
1:47.03 |
-3.43 |
| 20 |
Harrington, Adam E (9)
|
NIGRAY |
1:53.14 |
1:47.69 |
-5.45 |
| 21 |
McGrath, Jacques (9)
|
NIGRAY |
1:58.39 |
1:48.52 |
-9.87 |
| 22 |
Stevens, Jackson (9)
|
NIGRAY |
2:00.12 |
1:59.39 |
-0.73 |
|
Rowlee, Charles (10)
|
FUL |
|
DQ |
- |
|
Blake, Nathan (10)
|
FUL |
1:42.01 |
DQ |
- |
|
Underwood, Xander A (10)
|
NICORY |
|
NS |
- |
|
Farrington, Kyle J (10)
|
NICAQY |
1:27.43 |
NS |
- |