| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 21.257 | 17/6:01.369 |
| 2 | 4 | 20.986 | 18/6:20.187 |
| 3 | 3 | 20.296 | 18/6:15.234 |
| 4 | 2 | 20.358 | 18/6:13.037 |
| 5 | 1 | 20.058 | 18/6:10.638 |
| 6 | 1 | 20.466 | 18/6:10.263 |
| 7 | 1 | 21.283 | 18/6:12.096 |
| 8 | 1 | 20.522 | 18/6:11.759 |
| 9 | 3 | 20.966 | 18/6:12.384 |
| 10 | 1 | 20.259 | 18/6:11.612 |
| 11 | 1 | 20.999 | 18/6:12.191 |
| 12 | 1 | 20.985 | 18/6:12.653 |
| 13 | 1 | 20.546 | 18/6:12.435 |
| 14 | 1 | 21.305 | 18/6:13.225 |
| 15 | 1 | 20.314 | 18/6:12.720 |
| 16 | 1 | 20.857 | 18/6:12.889 |
| 17 | 1 | 20.319 | 18/6:12.469 |
| 18 | 1 | 20.844 | 18/6:12.620 |