| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 17.528 | 21/6:08.088 |
| 2 | 5 | 17.771 | 21/6:10.639 |
| 3 | 5 | 17.595 | 21/6:10.258 |
| 4 | 6 | 18.638 | 21/6:15.543 |
| 5 | 6 | 17.514 | 21/6:13.993 |
| 6 | 6 | 17.743 | 21/6:13.761 |
| 7 | 6 | 17.590 | 21/6:13.137 |
| 8 | 6 | 18.037 | 21/6:13.842 |
| 9 | 6 | 17.576 | 21/6:13.315 |
| 10 | 5 | 17.380 | 21/6:12.481 |
| 11 | 5 | 17.568 | 21/6:12.158 |
| 12 | 5 | 18.236 | 21/6:13.058 |
| 13 | 5 | 17.771 | 21/6:13.068 |
| 14 | 5 | 17.853 | 21/6:13.200 |
| 15 | 5 | 20.429 | 21/6:16.921 |
| 16 | 5 | 18.240 | 21/6:17.303 |
| 17 | 5 | 17.314 | 21/6:16.497 |
| 18 | 5 | 18.568 | 21/6:17.243 |
| 19 | 5 | 18.093 | 21/6:17.385 |
| 20 | 5 | 17.658 | 21/6:17.057 |
| 21 | 5 | 18.469 | 21/6:17.571 |