| Rk | Athlete | 400M |
|---|---|---|
| 1 |
Linn-Mar |
Q 48.69 |
| 2 |
Iowa City West |
49.42 |
| 3 |
Iowa City West |
49.95 |
| 4 |
Cedar Falls |
49.96 |
| 5 |
Iowa City High |
50.13 |
| 6 |
Xavier |
50.22 |
| 6 |
Cedar Falls |
50.22 |
| 8 |
Dubuque Senior |
50.28 |
| 9 |
Western Dubuque |
50.55 |
| 10 |
Western Dubuque |
50.56 |
| 11 |
Iowa City High |
50.57 |
| 12 |
Cedar Falls |
50.70 |
| 13 |
Iowa City West |
50.73 |
| 14 |
Prairie |
50.79 |
| 15 |
Prairie |
Q 50.80 |
| 15 |
Prairie |
50.80 |
| 17 |
Iowa City Liberty |
51.07 |
| 18 |
Cedar Falls |
51.13 |
| 19 |
Prairie |
51.15 |
| 20 |
Dubuque Hempstead |
51.32 |
| 21 |
Iowa City High |
51.36 |
| 22 |
Cedar Rapids Washington |
51.40 |
| 23 |
Cedar Falls |
51.42 |
| 24 |
Cedar Rapids Jefferson |
51.56 |
| 25 |
Cedar Rapids Jefferson |
51.58 |
| 26 |
Prairie |
51.61 |
| 27 |
Iowa City West |
51.84 |
| 28 |
Linn-Mar |
51.96 |
| 29 |
Iowa City West |
Q 52.23 |
| 30 |
Cedar Falls |
52.37 |
| 31 |
Linn-Mar |
Q 52.48 |
| 32 |
Iowa City Liberty |
Q 52.64 |
| 33 |
Cedar Falls |
53.05 |
| 34 |
Cedar Rapids Washington |
53.08 |
| 35 |
Cedar Falls |
53.10 |
| 36 |
Dubuque Senior |
53.15 |
| 37 |
Iowa City High |
53.36 |
| 38 |
Cedar Falls |
53.44 |
| 39 |
Dubuque Senior |
53.46 |
| 40 |
Iowa City West |
53.50 |
| 41 |
Linn-Mar |
53.60 |
| 42 |
Dubuque Hempstead |
53.64 |
| 43 |
Cedar Rapids Kennedy |
53.69 |
| 44 |
Iowa City High |
53.74 |
| 44 |
Linn-Mar |
53.74 |
| 46 |
Cedar Rapids Kennedy |
53.92 |
| 47 |
Waterloo West |
53.93 |
| 48 |
Iowa City West |
54.01 |
| 49 |
Western Dubuque |
54.03 |
| 50 |
Iowa City West |
54.05 |
Mississippi Valley