| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 19.545 | 19/6:11.355 |
| 2 | 2 | 19.568 | 19/6:11.573 |
| 3 | 3 | 18.462 | 19/6:04.642 |
| 4 | 2 | 18.204 | 20/6:18.895 |
| 5 | 2 | 19.378 | 19/6:01.597 |
| 6 | 2 | 18.288 | 20/6:18.150 |
| 7 | 2 | 18.392 | 20/6:16.677 |
| 8 | 3 | 19.367 | 20/6:18.010 |
| 9 | 3 | 18.564 | 20/6:17.262 |
| 10 | 3 | 18.707 | 20/6:16.950 |
| 11 | 3 | 20.039 | 19/6:00.161 |
| 12 | 3 | 19.789 | 19/6:01.480 |
| 13 | 3 | 18.662 | 19/6:00.949 |
| 14 | 3 | 18.990 | 19/6:00.939 |
| 15 | 3 | 20.235 | 19/6:02.507 |
| 16 | 3 | 19.599 | 19/6:03.124 |
| 17 | 3 | 19.725 | 19/6:03.810 |
| 18 | 3 | 18.204 | 19/6:02.813 |
| 19 | 3 | 18.525 | 19/6:02.243 |