| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 21.059 | N/A |
| 2 | 2 | 19.008 | 19/6:03.203 |
| 3 | 2 | 18.256 | 20/6:15.067 |
| 4 | 2 | 18.402 | 20/6:13.610 |
| 5 | 2 | 18.399 | 20/6:12.867 |
| 6 | 2 | 18.208 | 20/6:11.696 |
| 7 | 2 | 18.689 | 20/6:12.438 |
| 8 | 2 | 18.776 | 20/6:13.205 |
| 9 | 2 | 19.511 | 20/6:15.525 |
| 10 | 2 | 18.243 | 20/6:14.653 |
| 11 | 2 | 18.644 | 20/6:14.717 |
| 12 | 2 | 18.647 | 20/6:14.775 |
| 13 | 3 | 19.402 | 20/6:16.018 |
| 14 | 3 | 18.548 | 20/6:15.822 |
| 15 | 3 | 18.955 | 20/6:16.207 |
| 16 | 3 | 19.386 | 20/6:17.086 |
| 17 | 3 | 18.885 | 20/6:17.260 |
| 18 | 3 | 19.310 | 20/6:17.889 |
| 19 | 3 | 18.505 | 20/6:17.598 |
| 20 | 3 | 19.047 | 20/6:17.880 |