| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Shirk, Roanoke R (16)
|
MABYNS |
51.09 |
53.17 |
2.08 |
| 2 |
Baganski, Brendan F (15)
|
MAPAY |
55.59 |
56.04 |
0.45 |
| 3 |
Perez Bonilla, Jan A (15)
|
MAPAY |
54.08 |
56.40 |
2.32 |
| 4 |
Laing, Sean P (17)
|
MAPAY |
53.69 |
56.81 |
3.12 |
| 5 |
Schwartz, Mitchell R (17)
|
MAPAY |
55.29 |
57.36 |
2.07 |
| 6 |
Sherk, Zachary (16)
|
MARY |
59.95 |
57.66 |
-2.29 |
| 7 |
Smolders, Dylan J (15)
|
MAUMLY |
|
59.36 |
- |
| 8 |
Laing, Cory A (17)
|
MAPAY |
58.43 |
59.40 |
0.97 |
| 9 |
Becker, Eric T (15)
|
MARY |
58.51 |
59.74 |
1.23 |
| 10 |
Yang, Kenneth (16)
|
MAPAY |
59.88 |
59.95 |
0.07 |
| 11 |
Deren, Thomas E (15)
|
MARY |
1:01.17 |
1:00.88 |
-0.29 |
| 12 |
Zhang, Phillip (15)
|
MAPAY |
1:01.25 |
1:01.04 |
-0.21 |
| 13 |
Wright, Owen C (15)
|
MAWCAY |
57.93 |
1:01.38 |
3.45 |
| 14 |
Valeriano, Maxwell (17)
|
MARY |
55.86 |
1:01.66 |
5.80 |
| 15 |
Hebel, Evan M (15)
|
MARY |
1:01.10 |
1:01.94 |
0.84 |