| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.354 | 21/7:07.434 |
| 2 | 2 | 21.016 | 21/7:14.385 |
| 3 | 3 | 23.413 | 20/7:11.887 |
| 4 | 2 | 22.510 | 20/7:16.465 |
| 5 | 2 | 20.349 | 20/7:10.568 |
| 6 | 2 | 20.109 | 20/7:05.837 |
| 7 | 2 | 22.078 | 20/7:08.083 |
| 8 | 2 | 20.348 | 20/7:05.443 |
| 9 | 2 | 21.397 | 20/7:05.720 |
| 10 | 2 | 20.316 | 20/7:03.780 |
| 11 | 2 | 20.077 | 20/7:01.758 |
| 12 | 2 | 23.182 | 20/7:05.248 |
| 13 | 2 | 21.488 | 20/7:05.595 |
| 14 | 2 | 20.911 | 20/7:05.069 |
| 15 | 2 | 23.329 | 20/7:07.836 |
| 16 | 2 | 20.011 | 20/7:06.110 |
| 17 | 2 | 20.712 | 20/7:05.412 |
| 18 | 2 | 20.435 | 20/7:04.483 |
| 19 | 3 | 21.361 | 20/7:04.627 |
| 20 | 2 | 21.046 | 20/7:04.442 |