First 1 in each heat and next 6 fastest progress to the final.
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Plympton A | 1:11.53 | Q | |
| 2 | Eastern Districts A | 1:12.99 | q | |
| 3 | Mid Coast A | 1:13.29 | q | |
| 4 | Western Athletics B | 1:14.39 | ||
| 5 | Magill A | 1:15.82 | ||
| 6 | Southern Athletics A | 1:16.30 | ||
| 7 | Enfield B | 1:17.17 | ||
| 8 | Mt Barker A | 1:18.81 | ||
| 9 | Woodville A | 1:20.72 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Western Athletics A | 1:11.77 | Q | |
| 2 | Golden Grove A | 1:12.38 | q | |
| 3 | Gawler A | 1:12.57 | q | |
| 4 | Enfield A | 1:13.86 | q | |
| 5 | Plympton B | 1:14.00 | q | |
| 6 | Adelaide Harriers A | 1:17.94 | ||
| 7 | Port Adelaide A | 1:19.47 | ||
| 8 | Salisbury A | 1:19.67 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Plympton A | 1:11.53 | Q | |
| 2 | Western Athletics A | 1:11.77 | Q | |
| 3 | Golden Grove A | 1:12.38 | q | |
| 4 | Gawler A | 1:12.57 | q | |
| 5 | Eastern Districts A | 1:12.99 | q | |
| 6 | Mid Coast A | 1:13.29 | q | |
| 7 | Enfield A | 1:13.86 | q | |
| 8 | Plympton B | 1:14.00 | q | |
| 9 | Western Athletics B | 1:14.39 | ||
| 10 | Magill A | 1:15.82 | ||
| 11 | Southern Athletics A | 1:16.30 | ||
| 12 | Enfield B | 1:17.17 | ||
| 13 | Adelaide Harriers A | 1:17.94 | ||
| 14 | Mt Barker A | 1:18.81 | ||
| 15 | Port Adelaide A | 1:19.47 | ||
| 16 | Salisbury A | 1:19.67 | ||
| 17 | Woodville A | 1:20.72 |