| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Opperman, Rafael M (12)
|
FGTSA |
2:56.85 |
2:56.47 |
-0.38 |
| 2 |
Gary, Steven T (11)
|
FGPOMP |
2:56.20 |
2:57.31 |
1.11 |
| 3 |
Brunetti, Giuliano P (11)
|
FGPOMP |
2:58.86 |
2:58.19 |
-0.67 |
| 4 |
Williams, Owen N (11)
|
FGHAT |
2:59.33 |
3:01.53 |
2.20 |
| 5 |
Kim, Stephen (11)
|
FGYSF |
2:46.59 |
3:02.32 |
15.73 |
| 6 |
Shearer, Mateo (11)
|
FGSUN |
3:12.99 |
3:03.04 |
-9.95 |
| 7 |
Santos, Jonas Y (11)
|
FGSFTL |
3:11.35 |
3:06.01 |
-5.34 |
| 8 |
Chaimowicz, Dylan M (12)
|
FGCCPR |
3:12.75 |
3:09.65 |
-3.10 |
| 9 |
Tan, Matthew W (11)
|
FGTSA |
3:20.50 |
3:18.83 |
-1.67 |
| 10 |
Kibler, Ryan A (12)
|
FGPST |
3:23.17 |
3:22.21 |
-0.96 |
| 11 |
Rodriguez-Mora, Noah (11)
|
FGSUN |
3:24.69 |
3:23.07 |
-1.62 |
|
Ros, Daniel (12)
|
FGPST |
2:55.56 |
DQ |
- |