| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.305 | N/A |
| 2 | 4 | 17.873 | 21/6:15.765 |
| 3 | 4 | 18.316 | 20/6:02.100 |
| 4 | 4 | 18.106 | 20/6:02.173 |
| 5 | 4 | 19.365 | 20/6:08.019 |
| 6 | 4 | 18.492 | 20/6:08.482 |
| 7 | 4 | 18.356 | 20/6:08.247 |
| 8 | 4 | 19.248 | 20/6:10.499 |
| 9 | 4 | 17.951 | 20/6:09.109 |
| 10 | 4 | 19.441 | 20/6:11.173 |
| 11 | 4 | 17.649 | 20/6:09.419 |
| 12 | 4 | 17.958 | 20/6:08.518 |
| 13 | 4 | 17.393 | 20/6:06.872 |
| 14 | 4 | 19.847 | 20/6:09.066 |
| 15 | 4 | 24.877 | 20/6:17.774 |
| 16 | 4 | 19.570 | 20/6:18.598 |
| 17 | 4 | 19.172 | 20/6:18.846 |
| 18 | 4 | 17.675 | 20/6:17.392 |
| 19 | 4 | 20.354 | 20/6:18.928 |
| 20 | 4 | 23.032 | 20/6:22.980 |