| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.719 | 20/6:14.380 |
| 2 | 1 | 18.835 | 20/6:15.540 |
| 3 | 2 | 19.416 | 19/6:00.810 |
| 4 | 1 | 18.781 | 20/6:18.755 |
| 5 | 2 | 19.270 | 19/6:01.080 |
| 6 | 2 | 18.914 | 19/6:00.794 |
| 7 | 1 | 19.296 | 19/6:01.627 |
| 8 | 2 | 19.378 | 19/6:02.446 |
| 9 | 2 | 18.963 | 19/6:02.208 |
| 10 | 2 | 19.551 | 19/6:03.134 |
| 11 | 2 | 19.025 | 19/6:02.983 |
| 12 | 2 | 19.008 | 19/6:02.830 |
| 13 | 2 | 19.305 | 19/6:03.135 |
| 14 | 2 | 18.697 | 19/6:02.572 |
| 15 | 2 | 18.981 | 19/6:02.443 |
| 16 | 2 | 18.431 | 19/6:01.677 |
| 17 | 2 | 18.517 | 19/6:01.097 |
| 18 | 2 | 18.264 | 19/6:00.315 |
| 19 | 2 | 19.502 | 19/6:00.853 |