| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 20.509 | 18/6:09.162 |
| 2 | 2 | 20.195 | 18/6:06.336 |
| 3 | 1 | 20.371 | 18/6:06.450 |
| 4 | 1 | 20.826 | 18/6:08.555 |
| 5 | 1 | 21.052 | 18/6:10.631 |
| 6 | 1 | 20.743 | 18/6:11.088 |
| 7 | 1 | 20.369 | 18/6:10.453 |
| 8 | 1 | 21.335 | 18/6:12.150 |
| 9 | 1 | 20.124 | 18/6:11.048 |
| 10 | 1 | 22.316 | 18/6:14.112 |
| 11 | 1 | 24.652 | 18/6:20.441 |
| 12 | 1 | 19.751 | 18/6:18.365 |
| 13 | 1 | 20.138 | 18/6:17.143 |
| 14 | 1 | 21.391 | 18/6:17.707 |
| 15 | 1 | 20.335 | 18/6:16.928 |
| 16 | 1 | 20.484 | 18/6:16.415 |
| 17 | 1 | 22.799 | 18/6:18.413 |
| 18 | 1 | 23.989 | 18/6:21.379 |