| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.259 | 21/6:02.439 |
| 2 | 1 | 17.480 | 21/6:04.760 |
| 3 | 1 | 17.996 | 21/6:09.145 |
| 4 | 1 | 17.703 | 21/6:09.800 |
| 5 | 3 | 23.038 | 20/6:13.904 |
| 6 | 2 | 17.855 | 20/6:11.103 |
| 7 | 2 | 17.180 | 20/6:07.174 |
| 8 | 2 | 17.262 | 20/6:04.433 |
| 9 | 2 | 17.347 | 20/6:02.489 |
| 10 | 2 | 17.199 | 20/6:00.638 |
| 11 | 2 | 18.608 | 20/6:01.685 |
| 12 | 2 | 17.466 | 20/6:00.655 |
| 13 | 2 | 17.337 | 21/6:17.564 |
| 14 | 2 | 17.580 | 21/6:16.965 |
| 15 | 1 | 17.570 | 21/6:16.432 |
| 16 | 1 | 17.231 | 21/6:15.521 |
| 17 | 1 | 18.523 | 21/6:16.313 |
| 18 | 1 | 17.851 | 21/6:16.233 |
| 19 | 1 | 19.603 | 20/6:00.093 |
| 20 | 2 | 21.727 | 20/6:03.815 |