| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.874 | N/A |
| 2 | 1 | 19.890 | 21/7:00.674 |
| 3 | 1 | 19.757 | 22/7:19.167 |
| 4 | 1 | 20.375 | 21/7:03.020 |
| 5 | 1 | 20.954 | 21/7:07.754 |
| 6 | 1 | 21.511 | 21/7:12.822 |
| 7 | 1 | 20.628 | 21/7:13.257 |
| 8 | 1 | 21.232 | 21/7:15.294 |
| 9 | 1 | 22.222 | 21/7:19.296 |
| 10 | 1 | 21.136 | 21/7:19.996 |
| 11 | 1 | 29.773 | 20/7:16.082 |
| 12 | 1 | 19.831 | 20/7:12.771 |
| 13 | 1 | 20.435 | 20/7:10.968 |
| 14 | 1 | 20.059 | 20/7:08.893 |
| 15 | 1 | 20.417 | 20/7:07.601 |
| 16 | 1 | 20.447 | 20/7:06.518 |
| 17 | 1 | 20.106 | 20/7:05.166 |
| 18 | 1 | 20.084 | 20/7:03.949 |
| 19 | 1 | 20.567 | 20/7:03.377 |
| 20 | 1 | 21.236 | 20/7:03.534 |