| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Seliger, Timur (9)
|
MRRIST |
1:16.68 |
1:13.01 |
-3.67 |
| 2 |
O'Connell, Reid (9)
|
MRUN |
1:16.26 |
1:13.20 |
-3.06 |
| 3 |
Gjertsen, Owen G (9)
|
MRWEST |
1:16.35 |
1:15.98 |
-0.37 |
| 4 |
Baldwin, Ryan T (9)
|
MRLIAC |
1:18.94 |
1:16.63 |
-2.31 |
| 5 |
Hoffmann, Alexander L (9)
|
MRWEST |
1:20.33 |
1:17.07 |
-3.26 |
| 6 |
Rimler, Jacob E (9)
|
MRLIAC |
1:18.08 |
1:17.40 |
-0.68 |
| 7 |
St. Thomas, Harrison J (9)
|
MRLIAC |
1:18.13 |
1:18.22 |
0.09 |
| 8 |
Pan, Victor C (9)
|
MRLIAC |
1:18.48 |
1:18.27 |
-0.21 |
| 9 |
Lee, Ethan J (9)
|
MRUN |
1:19.74 |
1:19.00 |
-0.74 |
| 10 |
O'Brien, Charlie G (9)
|
MRTS |
1:19.05 |
1:19.16 |
0.11 |
| 11 |
Ko, Hayden (9)
|
MRNYCP |
1:20.63 |
1:19.47 |
-1.16 |