| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Budke, Vincent C (15)
|
MRSSC |
51.59 |
52.55 |
0.96 |
| 2 |
Fisher, Alexander (16)
|
MRHAA |
51.35 |
53.37 |
2.02 |
| 3 |
Penny, Jeremy S (17)
|
MRLIE |
53.83 |
54.03 |
0.20 |
| 4 |
Hawkesworth, Cameron D (17)
|
MRSSC |
52.41 |
56.89 |
4.48 |
| 5 |
Beutel, Brendan M (15)
|
MRSSC |
57.21 |
57.16 |
-0.05 |
| 6 |
Stone, Emmet R (17)
|
MRSSC |
58.16 |
57.40 |
-0.76 |
| 7 |
Claps, Danny (15)
|
MRHAA |
58.27 |
57.64 |
-0.63 |
| 8 |
Biersach, Brett A (17)
|
MRSSC |
56.65 |
57.76 |
1.11 |
| 9 |
Young, Allen W (17)
|
MRSSC |
56.37 |
57.89 |
1.52 |
| 10 |
Burner, Thomas K (17)
|
MRWISC |
57.72 |
57.98 |
0.26 |
| 11 |
Mcmenamy, Aidan (15)
|
MRHAA |
57.12 |
58.35 |
1.23 |
| 12 |
Young, Austin W (15)
|
MRSSC |
1:01.75 |
59.60 |
-2.15 |
| 13 |
DeBoer, Bradley D (15)
|
MRSSC |
1:00.25 |
1:00.00 |
-0.25 |
| 14 |
Dunn, Christopher J (15)
|
MRSSC |
59.17 |
1:01.30 |
2.13 |
| 15 |
Furci, Jack (15)
|
MRSSC |
59.16 |
1:01.44 |
2.28 |
| 16 |
Mastronikolas, Nicholas C (17)
|
MRSSC |
1:02.00 |
1:02.73 |
0.73 |
| 17 |
Arcidiacono, Michael T (15)
|
MRSSC |
1:18.37 |
1:04.41 |
-13.96 |
| 18 |
Tom, Samuel (18)
|
MRSSC |
1:08.10 |
1:05.49 |
-2.61 |
| 19 |
Beausoleil, Wesly (15)
|
MRSSC |
1:13.90 |
1:14.46 |
0.56 |
|
Giammona, Steven R (14)
|
MRLIE |
1:00.96 |
NS |
- |