First 2 in each heat and next 2 fastest progress to the final.
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Western Athletics A | 1:05.92 | Q | |
| 2 | Mt Barker A | 1:08.00 | Q | |
| 3 | Plympton A | 1:08.41 | q | |
| 4 | Magill A | 1:11.90 | ||
| 5 | Southern Hills A | 1:12.62 | ||
| 6 | Tea Tree Gully B | 1:15.10 | ||
| 7 | Campbelltown A | 1:15.73 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Adelaide Harriers A | 1:07.45 | Q | |
| 2 | Salisbury A | 1:08.10 | Q | |
| 3 | Tea Tree Gully A | 1:08.28 | q | |
| 4 | Ingle Farm B | 1:10.15 | ||
| 5 | Port Adelaide A | 1:10.48 | ||
| 6 | Western Athletics B | 1:10.66 | ||
| 7 | EDI/HCO/MPA A | 1:14.25 |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Eastern Districts A | 1:06.59 | Q | |
| 2 | Enfield A | 1:06.62 | Q | |
| 3 | Gawler/NYP A | 1:09.43 | ||
| 4 | Coastal Dist/Plympton B | 1:10.32 | ||
| 5 | Western Athletics C | 1:13.73 | ||
| 6 | Lyndoch & Districts A | 1:17.57 | ||
| Ingle Farm A | DNS |
| Place | Centre | Result | ||
|---|---|---|---|---|
| 1 | Western Athletics A | 1:05.92 | Q | |
| 2 | Eastern Districts A | 1:06.59 | Q | |
| 3 | Adelaide Harriers A | 1:07.45 | Q | |
| 4 | Enfield A | 1:06.62 | Q | |
| 5 | Mt Barker A | 1:08.00 | Q | |
| 6 | Salisbury A | 1:08.10 | Q | |
| 7 | Tea Tree Gully A | 1:08.28 | q | |
| 8 | Plympton A | 1:08.41 | q | |
| 9 | Gawler/NYP A | 1:09.43 | ||
| 10 | Ingle Farm B | 1:10.15 | ||
| 11 | Coastal Dist/Plympton B | 1:10.32 | ||
| 12 | Port Adelaide A | 1:10.48 | ||
| 13 | Western Athletics B | 1:10.66 | ||
| 14 | Magill A | 1:11.90 | ||
| 15 | Southern Hills A | 1:12.62 | ||
| 16 | Western Athletics C | 1:13.73 | ||
| 17 | EDI/HCO/MPA A | 1:14.25 | ||
| 18 | Tea Tree Gully B | 1:15.10 | ||
| 19 | Campbelltown A | 1:15.73 | ||
| 20 | Lyndoch & Districts A | 1:17.57 | ||
| Ingle Farm A | DNS |