| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.728 | 20/6:14.560 |
| 2 | 3 | 19.424 | 19/6:02.444 |
| 3 | 2 | 17.586 | 20/6:11.587 |
| 4 | 2 | 18.729 | 20/6:12.335 |
| 5 | 2 | 19.564 | 20/6:16.124 |
| 6 | 3 | 18.881 | 20/6:16.373 |
| 7 | 3 | 19.122 | 20/6:17.240 |
| 8 | 3 | 19.089 | 20/6:17.808 |
| 9 | 3 | 19.206 | 20/6:18.509 |
| 10 | 3 | 19.934 | 19/6:01.500 |
| 11 | 3 | 20.363 | 19/6:03.809 |
| 12 | 3 | 19.043 | 19/6:03.643 |
| 13 | 3 | 19.705 | 19/6:04.470 |
| 14 | 3 | 19.043 | 19/6:04.280 |
| 15 | 3 | 20.290 | 19/6:05.696 |
| 16 | 3 | 19.515 | 19/6:06.014 |
| 17 | 3 | 17.915 | 19/6:04.506 |
| 18 | 3 | 19.453 | 19/6:04.789 |
| 19 | 3 | 18.716 | 19/6:04.306 |