| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Doyle, Owen R (10)
|
MRBGNW |
32.40 |
31.77 |
-0.63 |
| 2 |
Sykes, Sean S (10)
|
MRBGNW |
38.90 |
38.42 |
-0.48 |
| 3 |
Kim, Gianluca G (10)
|
MRPAC |
37.93 |
39.41 |
1.48 |
| 4 |
Bachkosky, Reid S (9)
|
MRBGNW |
38.24 |
40.11 |
1.87 |
| 5 |
Zissu, Jake N (9)
|
MRBGNW |
47.33 |
47.02 |
-0.31 |
| 6 |
Justiniano, Hayden C (10)
|
MRBGNW |
41.03 |
48.14 |
7.11 |
| 7 |
Marano, Layne M (10)
|
CTGRYM |
53.09 |
49.44 |
-3.65 |
| 8 |
Weidmann, Sebastian C (10)
|
MRBGNW |
49.49 |
49.53 |
0.04 |
| 9 |
Kampf, William S (9)
|
CTGRYM |
51.67 |
50.12 |
-1.55 |
| 10 |
Berrebi, Asher K (10)
|
CTGRYM |
|
51.41 |
- |
| 11 |
Soto III, Edwin (10)
|
MRPAC |
58.33 |
55.69 |
-2.64 |
| 12 |
Simpson, Jagger A (9)
|
MRBGNW |
1:03.90 |
55.82 |
-8.08 |
| 13 |
Pagano, Luca E (10)
|
MRPAC |
1:04.30 |
56.51 |
-7.79 |
|
O'Brien, Phineas M (9)
|
MRBGNW |
52.04 |
DQ |
- |
|
Pleeter, Ryan S (10)
|
MRPAC |
1:03.80 |
DQ |
- |