| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 23.636 | N/A |
| 2 | 2 | 23.030 | 21/8:04.236 |
| 3 | 4 | 27.117 | 20/8:20.032 |
| 4 | 4 | 20.723 | 21/8:16.102 |
| 5 | 4 | 21.179 | 21/8:03.881 |
| 6 | 4 | 20.540 | 22/8:16.509 |
| 7 | 4 | 26.194 | 21/8:06.246 |
| 8 | 4 | 20.485 | 22/8:21.044 |
| 9 | 3 | 20.445 | 22/8:15.382 |
| 10 | 6 | 51.481 | 19/8:06.024 |
| 11 | 5 | 20.833 | 20/8:22.487 |
| 12 | 5 | 20.870 | 20/8:15.003 |
| 13 | 5 | 26.312 | 20/8:17.383 |
| 14 | 5 | 21.378 | 20/8:12.186 |
| 15 | 5 | 22.282 | 20/8:08.958 |
| 16 | 5 | 23.249 | 20/8:07.385 |
| 17 | 5 | 28.400 | 20/8:12.126 |
| 18 | 4 | 22.627 | 20/8:09.856 |
| 19 | 4 | 21.541 | 20/8:06.693 |
| 20 | 4 | 20.947 | 20/8:03.269 |