| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.949 | N/A |
| 2 | 2 | 20.881 | 21/7:18.569 |
| 3 | 2 | 20.981 | 21/7:19.569 |
| 4 | 2 | 20.870 | 21/7:19.162 |
| 5 | 1 | 21.711 | 20/7:02.053 |
| 6 | 1 | 21.140 | 20/7:02.164 |
| 7 | 1 | 21.613 | 20/7:03.736 |
| 8 | 1 | 21.023 | 20/7:03.257 |
| 9 | 1 | 20.872 | 20/7:02.540 |
| 10 | 1 | 21.586 | 20/7:03.489 |
| 11 | 1 | 21.510 | 20/7:04.104 |
| 12 | 1 | 25.532 | 20/7:11.554 |
| 13 | 1 | 21.917 | 20/7:12.039 |
| 14 | 1 | 21.136 | 20/7:11.308 |
| 15 | 1 | 21.719 | 20/7:11.472 |
| 16 | 1 | 21.918 | 20/7:11.867 |
| 17 | 1 | 22.082 | 20/7:12.407 |
| 18 | 1 | 21.707 | 20/7:12.464 |
| 19 | 1 | 21.790 | 20/7:12.603 |
| 20 | 1 | 21.594 | 20/7:12.531 |