| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.974 | 19/6:19.506 |
| 2 | 2 | 20.250 | 18/6:02.016 |
| 3 | 2 | 20.337 | 18/6:03.366 |
| 4 | 2 | 20.108 | 18/6:03.011 |
| 5 | 2 | 20.647 | 18/6:04.738 |
| 6 | 2 | 21.089 | 18/6:07.215 |
| 7 | 2 | 22.132 | 18/6:11.667 |
| 8 | 2 | 20.202 | 18/6:10.663 |
| 9 | 1 | 20.148 | 18/6:09.774 |
| 10 | 2 | 20.470 | 18/6:09.643 |
| 11 | 3 | 20.873 | 18/6:10.195 |
| 12 | 3 | 20.548 | 18/6:10.167 |
| 13 | 3 | 20.343 | 18/6:09.860 |
| 14 | 2 | 20.318 | 18/6:09.564 |
| 15 | 2 | 20.184 | 18/6:09.148 |
| 16 | 2 | 20.157 | 18/6:08.752 |
| 17 | 2 | 19.988 | 18/6:08.225 |
| 18 | 2 | 20.199 | 18/6:07.967 |