| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 17.659 | 21/6:10.839 |
| 2 | 1 | 17.547 | 21/6:09.663 |
| 3 | 1 | 17.594 | 21/6:09.600 |
| 4 | 1 | 18.215 | 21/6:12.829 |
| 5 | 1 | 17.305 | 21/6:10.944 |
| 6 | 1 | 16.937 | 21/6:08.399 |
| 7 | 1 | 17.572 | 21/6:08.487 |
| 8 | 1 | 18.059 | 21/6:09.831 |
| 9 | 3 | 23.543 | 20/6:05.402 |
| 10 | 5 | 23.288 | 20/6:15.438 |
| 11 | 4 | 17.280 | 20/6:12.725 |
| 12 | 4 | 18.050 | 20/6:11.748 |
| 13 | 3 | 17.303 | 20/6:09.772 |
| 14 | 4 | 22.501 | 20/6:15.504 |
| 15 | 5 | 19.061 | 20/6:15.885 |
| 16 | 4 | 17.720 | 20/6:14.543 |
| 17 | 3 | 18.172 | 20/6:13.889 |
| 18 | 2 | 17.457 | 20/6:12.514 |
| 19 | 2 | 16.975 | 20/6:10.777 |
| 20 | 1 | 17.383 | 20/6:09.621 |