| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.952 | N/A |
| 2 | 1 | 19.957 | 21/7:02.092 |
| 3 | 1 | 19.318 | 22/7:15.339 |
| 4 | 1 | 19.678 | 22/7:15.623 |
| 5 | 3 | 27.254 | 20/7:12.435 |
| 6 | 3 | 19.663 | 20/7:05.258 |
| 7 | 4 | 23.231 | 20/7:11.771 |
| 8 | 4 | 19.102 | 20/7:05.217 |
| 9 | 3 | 19.237 | 20/7:00.622 |
| 10 | 4 | 22.514 | 20/7:03.966 |
| 11 | 4 | 18.874 | 21/7:20.608 |
| 12 | 4 | 19.413 | 21/7:17.935 |
| 13 | 3 | 20.470 | 21/7:17.470 |
| 14 | 4 | 28.860 | 20/7:08.632 |
| 15 | 3 | 21.639 | 20/7:09.022 |
| 16 | 3 | 20.440 | 20/7:07.842 |
| 17 | 3 | 19.231 | 20/7:05.373 |
| 18 | 4 | 29.502 | 20/7:14.674 |
| 19 | 5 | 25.232 | 20/7:18.434 |
| 20 | 4 | 19.625 | 20/7:16.192 |