First 3 in each heat and next 2 fastest progress to the final.
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Tea Tree Gully A | 59.09 | Q | |
| 2 | Salisbury A | 59.57 | Q | |
| 3 | Eastern Districts A | 1:03.00 | Q | |
| 4 | Munno Para A | 1:03.31 | q | |
| 5 | Plympton A | 1:04.85 | ||
| 6 | Woodville A | 1:04.95 | ||
| 7 | Western Athletics B | 1:06.88 | ||
| Ingle Farm A | DNS |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Mt Barker A | 58.70 | Q | |
| 2 | Hills A | 1:01.59 | Q | |
| 3 | Western Athletics A | 1:03.33 | Q | |
| 4 | Magill A | 1:03.88 | q | |
| 5 | Coastal Dist/Mt Barker B | 1:04.61 | ||
| 6 | Golden Grove A | 1:05.28 | ||
| 7 | Tea Tree Gully B | 1:06.64 | ||
| 8 | Munno Para B | 1:10.71 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Mt Barker A | 58.70 | Q | |
| 2 | Tea Tree Gully A | 59.09 | Q | |
| 3 | Salisbury A | 59.57 | Q | |
| 4 | Hills A | 1:01.59 | Q | |
| 5 | Eastern Districts A | 1:03.00 | Q | |
| 6 | Western Athletics A | 1:03.33 | Q | |
| 7 | Munno Para A | 1:03.31 | q | |
| 8 | Magill A | 1:03.88 | q | |
| 9 | Coastal Dist/Mt Barker B | 1:04.61 | ||
| 10 | Plympton A | 1:04.85 | ||
| 11 | Woodville A | 1:04.95 | ||
| 12 | Golden Grove A | 1:05.28 | ||
| 13 | Tea Tree Gully B | 1:06.64 | ||
| 14 | Western Athletics B | 1:06.88 | ||
| 15 | Munno Para B | 1:10.71 | ||
| Ingle Farm A | DNS |