| Rk | Athlete | 400H |
|---|---|---|
| 1 |
Linn-Mar |
51.80 |
| 2 |
Iowa City West |
Q 52.46 |
| 3 |
Linn-Mar |
Q 54.40 |
| 4 |
Iowa City High |
54.77 |
| 5 |
Cedar Falls |
Q 55.45 |
| 6 |
Iowa City Liberty |
Q 55.66 |
| 7 |
Cedar Falls |
55.69 |
| 8 |
Western Dubuque |
55.98 |
| 9 |
Prairie |
56.72 |
| 10 |
Dubuque Senior |
56.81 |
| 11 |
Wahlert Catholic |
56.90 |
| 12 |
Cedar Rapids Kennedy |
57.12 |
| 13 |
Cedar Rapids Washington |
57.43 |
| 14 |
Cedar Falls |
57.59 |
| 15 |
Iowa City High |
57.67 |
| 16 |
Waterloo West |
58.03 |
| 17 |
Cedar Rapids Kennedy |
58.22 |
| 18 |
Western Dubuque |
58.41 |
| 19 |
Dubuque Hempstead |
58.46 |
| 20 |
Prairie |
58.48 |
| 21 |
Dubuque Hempstead |
59.27 |
| 22 |
Western Dubuque |
59.37 |
| 23 |
Cedar Falls |
59.91 |
| 24 |
Iowa City West |
1:00.02 |
| 25 |
Cedar Falls |
1:00.19 |
| 25 |
Linn-Mar |
1:00.19 |
| 27 |
Cedar Rapids Kennedy |
1:00.25 |
| 28 |
Cedar Rapids Washington |
1:00.29 |
| 29 |
Iowa City High |
1:00.31 |
| 29 |
Dubuque Senior |
1:00.31 |
| 31 |
Waterloo West |
1:00.65 |
| 32 |
Dubuque Senior |
1:00.66 |
| 33 |
Xavier |
1:00.86 |
| 34 |
Iowa City High |
1:00.92 |
| 35 |
Iowa City Liberty |
1:01.05 |
| 36 |
Cedar Falls |
1:01.35 |
| 37 |
Cedar Falls |
1:01.52 |
| 38 |
Iowa City West |
1:01.53 |
| 39 |
Dubuque Senior |
1:01.75 |
| 40 |
Iowa City Liberty |
1:01.88 |
| 41 |
Iowa City West |
1:02.00 |
| 42 |
Cedar Rapids Jefferson |
1:02.09 |
| 43 |
Dubuque Senior |
1:02.13 |
| 44 |
Cedar Rapids Washington |
1:02.14 |
| 45 |
Cedar Falls |
1:02.38 |
| 46 |
Cedar Rapids Washington |
1:02.42 |
| 47 |
Iowa City High |
1:02.46 |
| 48 |
Linn-Mar |
1:02.78 |
| 49 |
Cedar Rapids Kennedy |
1:02.97 |
| 50 |
Prairie |
1:03.20 |
Mississippi Valley