| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 8.411 | N/A |
| 2 | 1 | 17.893 | 21/6:06.271 |
| 3 | 1 | 17.402 | 21/6:01.361 |
| 4 | 1 | 17.712 | 21/6:01.791 |
| 5 | 1 | 18.137 | 21/6:04.131 |
| 6 | 1 | 17.216 | 21/6:01.851 |
| 7 | 1 | 19.145 | 21/6:06.761 |
| 8 | 1 | 17.596 | 21/6:05.842 |
| 9 | 1 | 17.789 | 21/6:05.636 |
| 10 | 1 | 17.742 | 21/6:05.371 |
| 11 | 1 | 17.867 | 21/6:05.409 |
| 12 | 1 | 17.676 | 21/6:05.092 |
| 13 | 1 | 18.800 | 21/6:06.702 |
| 14 | 1 | 17.869 | 21/6:06.632 |
| 15 | 1 | 17.642 | 21/6:06.248 |
| 16 | 1 | 17.956 | 21/6:06.333 |
| 17 | 1 | 17.934 | 21/6:06.381 |
| 18 | 1 | 18.176 | 21/6:06.707 |
| 19 | 1 | 18.270 | 21/6:07.102 |
| 20 | 1 | 18.848 | 21/6:08.063 |
| 21 | 1 | 17.434 | 21/6:07.515 |