First 1 in each heat and next 5 fastest progress to the final.
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Salisbury A | 1:05.97 | Q | |
| 2 | Western Athletics B | 1:06.19 | q | |
| 3 | Southern Hills A | 1:06.33 | ||
| 4 | Lyndoch & Districts A | 1:08.06 | ||
| 5 | Plympton B | 1:08.28 | ||
| 6 | Hallett Cove A | 1:08.35 | ||
| 7 | Plympton C | 1:11.85 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Plympton A | 1:02.84 | Q | |
| 2 | Enfield A | 1:05.65 | q | |
| 3 | Eastern Districts A | 1:06.26 | q | |
| 4 | Mt Barker A | 1:07.49 | ||
| 5 | Northern Districts A | 1:08.50 | ||
| 6 | Reynella East A | 1:11.47 | ||
| 7 | Tea Tree Gully B | 1:12.20 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Western Athletics A | 1:03.60 | Q | |
| 2 | Golden Grove A | 1:04.84 | q | |
| 3 | Magill A | 1:05.17 | q | |
| 4 | Tea Tree Gully A | 1:07.03 | ||
| 5 | Port Adelaide A | 1:09.47 | ||
| 6 | Gawler A | 1:10.69 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Plympton A | 1:02.84 | Q | |
| 2 | Western Athletics A | 1:03.60 | Q | |
| 3 | Salisbury A | 1:05.97 | Q | |
| 4 | Golden Grove A | 1:04.84 | q | |
| 5 | Magill A | 1:05.17 | q | |
| 6 | Enfield A | 1:05.65 | q | |
| 7 | Western Athletics B | 1:06.19 | q | |
| 8 | Eastern Districts A | 1:06.26 | q | |
| 9 | Southern Hills A | 1:06.33 | ||
| 10 | Tea Tree Gully A | 1:07.03 | ||
| 11 | Mt Barker A | 1:07.49 | ||
| 12 | Lyndoch & Districts A | 1:08.06 | ||
| 13 | Plympton B | 1:08.28 | ||
| 14 | Hallett Cove A | 1:08.35 | ||
| 15 | Northern Districts A | 1:08.50 | ||
| 16 | Port Adelaide A | 1:09.47 | ||
| 17 | Gawler A | 1:10.69 | ||
| 18 | Reynella East A | 1:11.47 | ||
| 19 | Plympton C | 1:11.85 | ||
| 20 | Tea Tree Gully B | 1:12.20 |