| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.019 | 20/6:00.380 |
| 2 | 4 | 18.261 | 20/6:02.800 |
| 3 | 4 | 18.375 | 20/6:04.367 |
| 4 | 3 | 18.126 | 20/6:03.905 |
| 5 | 4 | 19.004 | 20/6:07.140 |
| 6 | 4 | 18.554 | 20/6:07.797 |
| 7 | 4 | 18.848 | 20/6:09.106 |
| 8 | 4 | 21.476 | 20/6:16.658 |
| 9 | 4 | 18.480 | 20/6:15.873 |
| 10 | 4 | 18.549 | 20/6:15.384 |
| 11 | 4 | 17.766 | 20/6:13.560 |
| 12 | 4 | 17.482 | 20/6:11.567 |
| 13 | 4 | 17.465 | 20/6:09.854 |
| 14 | 4 | 18.148 | 20/6:09.361 |
| 15 | 4 | 18.322 | 20/6:09.167 |
| 16 | 4 | 18.013 | 20/6:08.610 |
| 17 | 4 | 17.591 | 20/6:07.622 |
| 18 | 4 | 18.130 | 20/6:07.343 |
| 19 | 4 | 18.117 | 20/6:07.080 |
| 20 | 4 | 27.828 | 20/6:16.554 |