| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 19.488 | N/A |
| 2 | 4 | 19.362 | 19/6:08.004 |
| 3 | 4 | 19.514 | 19/6:09.372 |
| 4 | 4 | 18.104 | 19/6:01.368 |
| 5 | 3 | 21.180 | 19/6:11.208 |
| 6 | 3 | 18.263 | 19/6:06.610 |
| 7 | 3 | 18.197 | 19/6:03.348 |
| 8 | 3 | 20.735 | 19/6:07.543 |
| 9 | 3 | 23.201 | 19/6:16.239 |
| 10 | 3 | 18.437 | 19/6:13.474 |
| 11 | 3 | 19.068 | 19/6:12.397 |
| 12 | 3 | 18.295 | 19/6:10.252 |
| 13 | 3 | 19.097 | 19/6:09.667 |
| 14 | 3 | 18.786 | 19/6:08.742 |
| 15 | 3 | 19.314 | 19/6:08.627 |
| 16 | 3 | 18.438 | 19/6:07.477 |
| 17 | 3 | 18.268 | 19/6:06.279 |
| 18 | 3 | 18.383 | 19/6:05.344 |
| 19 | 3 | 18.157 | 19/6:04.287 |