| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.661 | 19/6:13.559 |
| 2 | 4 | 20.150 | 19/6:18.204 |
| 3 | 3 | 20.101 | 19/6:19.443 |
| 4 | 4 | 19.870 | 19/6:18.964 |
| 5 | 4 | 18.440 | 19/6:13.244 |
| 6 | 3 | 18.599 | 19/6:09.933 |
| 7 | 3 | 18.246 | 19/6:06.610 |
| 8 | 3 | 18.492 | 19/6:04.703 |
| 9 | 3 | 18.581 | 19/6:03.407 |
| 10 | 3 | 18.744 | 19/6:02.680 |
| 11 | 2 | 19.376 | 19/6:03.176 |
| 12 | 2 | 18.713 | 19/6:02.541 |
| 13 | 2 | 19.013 | 19/6:02.441 |
| 14 | 2 | 18.816 | 19/6:02.088 |
| 15 | 2 | 18.702 | 19/6:01.638 |
| 16 | 2 | 19.357 | 19/6:02.022 |
| 17 | 2 | 19.896 | 19/6:02.964 |
| 18 | 3 | 19.293 | 19/6:03.164 |
| 19 | 3 | 18.773 | 19/6:02.823 |