| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.171 | 20/6:03.420 |
| 2 | 2 | 18.293 | 20/6:04.640 |
| 3 | 3 | 18.211 | 20/6:04.500 |
| 4 | 3 | 17.739 | 20/6:02.070 |
| 5 | 3 | 18.733 | 20/6:04.588 |
| 6 | 3 | 17.783 | 20/6:03.100 |
| 7 | 3 | 17.644 | 20/6:01.640 |
| 8 | 2 | 17.656 | 20/6:00.575 |
| 9 | 2 | 18.115 | 20/6:00.767 |
| 10 | 2 | 18.360 | 20/6:01.410 |
| 11 | 3 | 19.073 | 20/6:03.233 |
| 12 | 3 | 17.935 | 20/6:02.855 |
| 13 | 3 | 18.009 | 20/6:02.649 |
| 14 | 3 | 17.889 | 20/6:02.301 |
| 15 | 3 | 18.316 | 20/6:02.569 |
| 16 | 3 | 18.339 | 20/6:02.833 |
| 17 | 3 | 17.698 | 20/6:02.311 |
| 18 | 3 | 19.212 | 20/6:03.529 |
| 19 | 3 | 17.538 | 20/6:02.857 |
| 20 | 2 | 18.985 | 20/6:03.699 |