| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Jung, Collin S (14)
|
ILHEAT |
28.92 |
28.00 |
-0.92 |
| 2 |
Wirebaugh, William (14)
|
WCY |
|
28.18 |
- |
| 3 |
Hammond, James (15)
|
ZZCANY |
|
28.31 |
- |
| 4 |
Smith, Logan (17)
|
ZZCANY |
|
28.65 |
- |
| 5 |
Risby, Simeon T (14)
|
ILYDSC |
35.94 |
29.41 |
-6.53 |
| 6 |
Geissler, Alex T (14)
|
ILHEAT |
37.31 |
30.34 |
-6.97 |
| 7 |
Rienstra, Nicholas M (13)
|
ILHEAT |
32.72 |
30.61 |
-2.11 |
| 8 |
Vickroy, Cullen (15)
|
WCY |
43.32 |
31.21 |
-12.11 |
| 9 |
Johnson, Joshua (16)
|
ILCLY |
34.65 |
31.82 |
-2.83 |
| 10 |
Powers-Ege, Joel C (13)
|
ILHEAT |
36.96 |
33.03 |
-3.93 |
| 11 |
Brewster, William (13)
|
ILKNCY |
|
33.78 |
- |
| 12 |
Foster, Luke (13)
|
ILKNCY |
34.53 |
33.82 |
-0.71 |
| 13 |
Ding, William Y (13)
|
ILHEAT |
36.96 |
34.35 |
-2.61 |
| 14 |
Satheeshreddy, Jishnu (13)
|
ILBNY |
37.72 |
35.44 |
-2.28 |
| 15 |
Dempsey, Maddox C (13)
|
ILHEAT |
|
35.61 |
- |
| 16 |
Vazquez, Jack D (13)
|
ILHEAT |
34.92 |
36.08 |
1.16 |
| 17 |
Mattan, John (13)
|
WCY |
|
37.27 |
- |
|
Turney, Wynn (18)
|
ILCLY |
45.45 |
DQ |
- |
|
Abbot, Brock (14)
|
ILKNCY |
|
NS |
- |