First 3 in each heat and next 2 fastest progress to the final.
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Enfield A | 55.91 | Q | |
| 2 | Adelaide Harriers A | 59.19 | Q | |
| 3 | Salisbury A | 1:00.65 | Q | |
| 4 | Tea Tree Gully B | 1:03.57 | ||
| 5 | Western Athletics B | 1:04.93 | ||
| Woodville A | DNS |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Golden Grove A | 55.94 | Q | |
| 2 | Western Athletics A | 57.17 | Q | |
| 3 | Tea Tree Gully A | 58.49 | Q | |
| 4 | Southern Hills A | 1:01.50 | q | |
| 5 | Eastern Districts A | 1:01.91 | q | |
| Hills A | DNS |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Enfield A | 55.91 | Q | |
| 2 | Golden Grove A | 55.94 | Q | |
| 3 | Western Athletics A | 57.17 | Q | |
| 4 | Adelaide Harriers A | 59.19 | Q | |
| 5 | Tea Tree Gully A | 58.49 | Q | |
| 6 | Salisbury A | 1:00.65 | Q | |
| 7 | Southern Hills A | 1:01.50 | q | |
| 8 | Eastern Districts A | 1:01.91 | q | |
| 9 | Tea Tree Gully B | 1:03.57 | ||
| 10 | Western Athletics B | 1:04.93 | ||
| Woodville A | DNS | |||
| Hills A | DNS |