First 1 in each heat and next 5 fastest progress to the final.
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Enfield A | 1:08.95 | Q | |
| 2 | Western Athletics B | 1:10.50 | q | |
| 3 | Enfield B | 1:10.89 | q | |
| 4 | Golden Grove A | 1:12.34 | ||
| 5 | Plympton B | 1:14.22 | ||
| 6 | Tea Tree Gully B | 1:22.52 | ||
| Southern Hills A | DNS |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Western Athletics A | 1:05.94 | Q | |
| 2 | Eastern Districts A | 1:08.79 | q | |
| 3 | Tea Tree Gully A | 1:12.20 | ||
| 4 | Magill A | 1:12.55 | ||
| 5 | Port Adelaide A | 1:12.72 | ||
| 6 | Mt Barker A | 1:17.66 | ||
| 7 | Coastal Districts A | 1:32.70 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Hallett Cove A | 1:07.89 | Q | |
| 2 | Plympton A | 1:08.22 | q | |
| 3 | Campbelltown A | 1:09.54 | q | |
| 4 | Woodville A | 1:12.45 | ||
| 5 | Eastern Districts B | 1:14.23 | ||
| 6 | Northern Districts A | 1:21.51 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Western Athletics A | 1:05.94 | Q | |
| 2 | Hallett Cove A | 1:07.89 | Q | |
| 3 | Enfield A | 1:08.95 | Q | |
| 4 | Plympton A | 1:08.22 | q | |
| 5 | Eastern Districts A | 1:08.79 | q | |
| 6 | Campbelltown A | 1:09.54 | q | |
| 7 | Western Athletics B | 1:10.50 | q | |
| 8 | Enfield B | 1:10.89 | q | |
| 9 | Tea Tree Gully A | 1:12.20 | ||
| 10 | Golden Grove A | 1:12.34 | ||
| 11 | Woodville A | 1:12.45 | ||
| 12 | Magill A | 1:12.55 | ||
| 13 | Port Adelaide A | 1:12.72 | ||
| 14 | Plympton B | 1:14.22 | ||
| 15 | Eastern Districts B | 1:14.23 | ||
| 16 | Mt Barker A | 1:17.66 | ||
| 17 | Northern Districts A | 1:21.51 | ||
| 18 | Tea Tree Gully B | 1:22.52 | ||
| 19 | Coastal Districts A | 1:32.70 | ||
| Southern Hills A | DNS |