| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.187 | 20/6:03.740 |
| 2 | 2 | 18.442 | 20/6:06.290 |
| 3 | 2 | 18.315 | 20/6:06.293 |
| 4 | 2 | 18.627 | 20/6:07.855 |
| 5 | 2 | 19.008 | 20/6:10.316 |
| 6 | 2 | 19.027 | 20/6:12.020 |
| 7 | 2 | 19.148 | 20/6:13.583 |
| 8 | 2 | 18.510 | 20/6:13.160 |
| 9 | 2 | 19.015 | 20/6:13.953 |
| 10 | 2 | 18.899 | 20/6:14.356 |
| 11 | 2 | 21.060 | 20/6:18.615 |
| 12 | 2 | 18.871 | 20/6:18.515 |
| 13 | 2 | 19.928 | 19/6:01.054 |
| 14 | 2 | 19.371 | 19/6:01.554 |
| 15 | 2 | 19.633 | 19/6:02.319 |
| 16 | 2 | 18.377 | 19/6:01.496 |
| 17 | 2 | 20.046 | 19/6:02.636 |
| 18 | 2 | 19.712 | 19/6:03.297 |
| 19 | 2 | 18.955 | 19/6:03.131 |