| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Li, Max J (12)
|
MRWEST |
1:10.18 |
1:03.83 |
-6.35 |
| 2 |
Carrenard, Justice A (12)
|
MRAGUA |
1:05.26 |
1:06.53 |
1.27 |
| 3 |
Pragnell, Tristan Z (12)
|
MRAGUA |
1:04.10 |
1:07.93 |
3.83 |
| 4 |
Lee, Christian (11)
|
MRWEST |
1:08.84 |
1:08.41 |
-0.43 |
| 5 |
Lugato, Giacomo S (11)
|
MRAGUA |
1:14.20 |
1:09.02 |
-5.18 |
| 6 |
Hyde, Andrew J (11)
|
MRAGUA |
1:08.53 |
1:10.33 |
1.80 |
| 7 |
Hicks, Charles G (12)
|
MRUNAT |
1:16.73 |
1:10.34 |
-6.39 |
| 8 |
Cassidy, Kerry J (12)
|
MRAGUA |
1:08.59 |
1:11.64 |
3.05 |
| 9 |
Oberst, Dylan M (12)
|
MRWEST |
1:10.13 |
1:11.83 |
1.70 |
| 10 |
Maclennan, Alexander L (11)
|
MRAGUA |
1:31.12 |
1:13.26 |
-17.86 |
| 11 |
Lee, Penn (12)
|
MRMAKO |
1:16.30 |
1:16.53 |
0.23 |
| 12 |
Vernhes, Sebastien (12)
|
MRMAKO |
1:25.99 |
1:22.31 |
-3.68 |