| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.482 | 21/6:07.122 |
| 2 | 5 | 17.187 | 21/6:04.024 |
| 3 | 5 | 17.420 | 21/6:04.623 |
| 4 | 5 | 18.408 | 21/6:10.109 |
| 5 | 6 | 19.373 | 21/6:17.454 |
| 6 | 6 | 18.455 | 20/6:01.083 |
| 7 | 6 | 18.122 | 20/6:01.277 |
| 8 | 7 | 18.935 | 20/6:03.455 |
| 9 | 7 | 19.104 | 20/6:05.524 |
| 10 | 7 | 17.903 | 20/6:04.778 |
| 11 | 8 | 17.294 | 20/6:03.060 |
| 12 | 7 | 19.355 | 20/6:05.063 |
| 13 | 7 | 18.583 | 20/6:05.571 |
| 14 | 7 | 22.278 | 20/6:11.284 |
| 15 | 7 | 21.373 | 20/6:15.029 |
| 16 | 7 | 18.383 | 20/6:14.569 |
| 17 | 7 | 19.080 | 20/6:14.982 |
| 18 | 7 | 19.172 | 20/6:15.452 |
| 19 | 7 | 18.600 | 20/6:15.271 |
| 20 | 6 | 19.635 | 20/6:16.142 |