| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 33.359 | N/A |
| 2 | 4 | 19.812 | 21/7:09.599 |
| 3 | 3 | 20.842 | 21/7:19.899 |
| 4 | 3 | 19.608 | 21/7:15.105 |
| 5 | 3 | 19.523 | 21/7:12.284 |
| 6 | 3 | 19.627 | 21/7:11.007 |
| 7 | 4 | 28.195 | 20/7:17.447 |
| 8 | 4 | 20.145 | 20/7:14.400 |
| 9 | 4 | 24.580 | 19/7:01.106 |
| 10 | 4 | 21.556 | 19/7:01.135 |
| 11 | 4 | 19.445 | 20/7:18.691 |
| 12 | 4 | 23.676 | 19/7:01.191 |
| 13 | 5 | 23.229 | 19/7:03.716 |
| 14 | 5 | 20.403 | 19/7:01.938 |
| 15 | 5 | 19.834 | 20/7:21.146 |
| 16 | 5 | 19.282 | 20/7:18.384 |
| 17 | 4 | 19.534 | 20/7:16.267 |
| 18 | 5 | 24.315 | 20/7:19.742 |
| 19 | 4 | 21.179 | 20/7:19.520 |
| 20 | 5 | 24.622 | 20/7:22.766 |