| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 21.120 | 20/7:02.004 |
| 2 | 3 | 20.165 | 21/7:13.492 |
| 3 | 3 | 20.319 | 21/7:11.228 |
| 4 | 4 | 20.618 | 21/7:11.665 |
| 5 | 5 | 21.172 | 21/7:14.254 |
| 6 | 4 | 20.450 | 21/7:13.454 |
| 7 | 4 | 20.573 | 21/7:13.251 |
| 8 | 4 | 20.916 | 21/7:13.999 |
| 9 | 4 | 21.232 | 21/7:15.318 |
| 10 | 4 | 20.391 | 21/7:14.607 |
| 11 | 3 | 20.986 | 21/7:15.162 |
| 12 | 3 | 29.088 | 20/7:08.383 |
| 13 | 3 | 20.552 | 20/7:07.049 |
| 14 | 4 | 22.879 | 20/7:09.023 |
| 15 | 4 | 21.108 | 20/7:08.758 |
| 16 | 4 | 22.134 | 20/7:09.628 |
| 17 | 4 | 20.288 | 20/7:08.224 |
| 18 | 4 | 20.717 | 20/7:07.453 |
| 19 | 4 | 20.922 | 20/7:06.978 |
| 20 | 4 | 21.400 | 20/7:07.030 |