| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Davis, Elliot J (17)
|
MAFCA |
56.50 |
55.14 |
-1.36 |
| 2 |
Roling, Maxwell J (16)
|
MAPCAC |
55.20 |
56.58 |
1.38 |
| 3 |
Anderson, Angus L (17)
|
MAFCA |
58.12 |
57.60 |
-0.52 |
| 4 |
Stack, Ryan W (15)
|
MACBST |
|
59.84 |
- |
| 5 |
Montenegro, Samuel A (16)
|
MAPCAC |
59.90 |
59.98 |
0.08 |
| 6 |
Bland, Nicholas R (15)
|
MACBST |
1:05.99 |
1:00.46 |
-5.53 |
| 7 |
Kofman, Simeon I (15)
|
MAPCAC |
57.36 |
1:00.67 |
3.31 |
| 8 |
Shapiro, Benjamin (18)
|
MAFCA |
55.42 |
1:01.89 |
6.47 |
| 9 |
Thomas, Owen (15)
|
MAPJA |
1:00.96 |
1:03.62 |
2.66 |
| 10 |
Matthews, Daniel (18)
|
MAFCA |
1:03.85 |
1:04.39 |
0.54 |
| 11 |
Davis, Sean (15)
|
MACHEL |
1:12.25 |
1:10.09 |
-2.16 |
| 12 |
Fedarick, Jordan (16)
|
MAPJA |
1:15.62 |
1:12.91 |
-2.71 |
| 13 |
Mount, Jake (16)
|
MACORE |
1:18.39 |
1:19.56 |
1.17 |
| 14 |
Presley, Collin (15)
|
MAISAC |
1:22.12 |
1:28.16 |
6.04 |
|
Lawton, Daniel J (17)
|
MAGSA |
55.90 |
NS |
- |
|
Rizzuto, Ryan G (17)
|
MAGSA |
54.39 |
NS |
- |
|
Hitrik, Mark A (15)
|
MAGSA |
|
NS |
- |
|
Stack, Christopher R (17)
|
MACBST |
59.20 |
NS |
- |