| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 18.413 | 20/6:08.260 |
| 2 | 6 | 19.063 | 20/6:14.760 |
| 3 | 6 | 18.521 | 20/6:13.313 |
| 4 | 5 | 18.031 | 20/6:10.140 |
| 5 | 3 | 17.486 | 20/6:06.056 |
| 6 | 2 | 18.010 | 20/6:05.080 |
| 7 | 2 | 17.963 | 20/6:04.249 |
| 8 | 3 | 17.722 | 20/6:03.023 |
| 9 | 2 | 17.904 | 20/6:02.473 |
| 10 | 2 | 17.951 | 20/6:02.128 |
| 11 | 2 | 18.163 | 20/6:02.231 |
| 12 | 2 | 18.352 | 20/6:02.632 |
| 13 | 2 | 18.189 | 20/6:02.720 |
| 14 | 2 | 19.016 | 20/6:03.977 |
| 15 | 2 | 18.358 | 20/6:04.189 |
| 16 | 2 | 18.341 | 20/6:04.354 |
| 17 | 2 | 18.926 | 20/6:05.187 |
| 18 | 2 | 18.824 | 20/6:05.814 |
| 19 | 2 | 18.515 | 20/6:06.051 |
| 20 | 2 | 18.296 | 20/6:06.044 |