| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.902 | 19/6:18.138 |
| 2 | 2 | 19.282 | 19/6:12.248 |
| 3 | 2 | 18.637 | 19/6:06.200 |
| 4 | 1 | 19.211 | 19/6:05.902 |
| 5 | 1 | 18.425 | 19/6:02.737 |
| 6 | 1 | 18.279 | 19/6:00.164 |
| 7 | 1 | 18.525 | 20/6:17.889 |
| 8 | 1 | 18.293 | 20/6:16.385 |
| 9 | 1 | 19.027 | 20/6:16.847 |
| 10 | 1 | 21.016 | 19/6:02.134 |
| 11 | 1 | 18.841 | 19/6:01.757 |
| 12 | 1 | 18.678 | 19/6:01.184 |
| 13 | 1 | 18.437 | 19/6:00.347 |
| 14 | 1 | 18.393 | 20/6:18.494 |
| 15 | 1 | 18.252 | 20/6:17.597 |
| 16 | 1 | 18.560 | 20/6:17.198 |
| 17 | 1 | 18.505 | 20/6:16.780 |
| 18 | 1 | 18.324 | 20/6:16.208 |
| 19 | 1 | 18.835 | 20/6:16.234 |
| 20 | 1 | 18.902 | 20/6:16.324 |