| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 23.114 | N/A |
| 2 | 2 | 20.242 | 21/7:07.954 |
| 3 | 1 | 20.152 | 21/7:07.054 |
| 4 | 1 | 20.434 | 21/7:08.634 |
| 5 | 1 | 19.597 | 21/7:05.239 |
| 6 | 1 | 19.959 | 21/7:04.065 |
| 7 | 1 | 20.238 | 21/7:05.187 |
| 8 | 1 | 20.243 | 21/7:05.585 |
| 9 | 1 | 21.983 | 21/7:10.234 |
| 10 | 2 | 24.921 | 21/7:20.378 |
| 11 | 2 | 23.232 | 20/7:04.015 |
| 12 | 2 | 20.130 | 20/7:02.340 |
| 13 | 2 | 20.237 | 20/7:01.113 |
| 14 | 2 | 23.067 | 20/7:04.211 |
| 15 | 2 | 20.100 | 20/7:02.840 |
| 16 | 2 | 21.365 | 20/7:03.254 |
| 17 | 2 | 19.784 | 20/7:01.738 |
| 18 | 2 | 19.615 | 20/7:00.212 |
| 19 | 2 | 19.151 | 21/7:19.169 |
| 20 | 2 | 19.327 | 21/7:17.616 |
| 21 | 2 | 19.551 | 21/7:16.442 |