| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.729 | 20/6:14.580 |
| 2 | 1 | 18.368 | 20/6:10.970 |
| 3 | 1 | 18.593 | 20/6:11.267 |
| 4 | 2 | 18.284 | 20/6:09.870 |
| 5 | 1 | 18.290 | 20/6:09.056 |
| 6 | 1 | 18.356 | 20/6:08.733 |
| 7 | 1 | 17.979 | 20/6:07.426 |
| 8 | 1 | 18.021 | 20/6:06.550 |
| 9 | 1 | 18.240 | 20/6:06.356 |
| 10 | 1 | 18.731 | 20/6:07.182 |
| 11 | 1 | 18.800 | 20/6:07.984 |
| 12 | 1 | 20.829 | 20/6:12.033 |
| 13 | 1 | 18.419 | 20/6:11.752 |
| 14 | 1 | 18.454 | 20/6:11.561 |
| 15 | 1 | 18.553 | 20/6:11.528 |
| 16 | 1 | 18.394 | 20/6:11.300 |
| 17 | 1 | 18.304 | 20/6:10.993 |
| 18 | 1 | 18.809 | 20/6:11.281 |
| 19 | 1 | 18.800 | 20/6:11.529 |
| 20 | 1 | 19.287 | 20/6:12.240 |