| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.432 | 20/6:08.640 |
| 2 | 2 | 18.271 | 20/6:07.030 |
| 3 | 2 | 18.733 | 20/6:09.573 |
| 4 | 2 | 18.884 | 20/6:11.600 |
| 5 | 2 | 19.057 | 20/6:13.508 |
| 6 | 2 | 18.070 | 20/6:11.490 |
| 7 | 2 | 19.012 | 20/6:12.740 |
| 8 | 2 | 19.868 | 20/6:15.817 |
| 9 | 3 | 19.560 | 20/6:17.527 |
| 10 | 3 | 17.534 | 20/6:14.842 |
| 11 | 3 | 23.453 | 19/6:04.237 |
| 12 | 3 | 18.963 | 19/6:03.909 |
| 13 | 3 | 19.176 | 19/6:03.942 |
| 14 | 3 | 19.261 | 19/6:04.086 |
| 15 | 3 | 18.015 | 19/6:02.633 |
| 16 | 3 | 18.091 | 19/6:01.451 |
| 17 | 3 | 17.849 | 19/6:00.138 |
| 18 | 2 | 18.126 | 20/6:18.172 |
| 19 | 1 | 18.244 | 20/6:17.473 |
| 20 | 1 | 19.343 | 20/6:17.942 |