| Race format | ||||
| Gate | A (inside) |
B |
C |
D (outside) |
|---|---|---|---|---|
| Heat No | Riders starting No | |||
| 1 | 1 | 2 | 3 | 4 |
| 2 | 5 | 7 | 6 | 8 |
| 3 | 10 | 11 | 9 | 12 |
| 4 | 15 | 14 | 16 | 13 |
| 5 | 13 | 1 | 5 | 9 |
| 6 | 14 | 10 | 2 | 6 |
| 7 | 11 | 15 | 7 | 3 |
| 8 | 4 | 8 | 12 | 16 |
| 9 | 6 | 16 | 1 | 11 |
| 10 | 12 | 5 | 15 | 2 |
| 11 | 8 | 9 | 3 | 14 |
| 12 | 13 | 4 | 10 | 7 |
| 13 | 7 | 12 | 14 | 1 |
| 14 | 2 | 13 | 8 | 11 |
| 15 | 16 | 3 | 10 | 5 |
| 16 | 9 | 6 | 4 | 15 |
| 17 | 1 | 8 | 15 | 10 |
| 18 | 9 | 2 | 7 | 16 |
| 19 | 3 | 12 | 13 | 6 |
| 20 | 5 | 14 | 11 | 4 |