| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 19.193 | 19/6:04.667 |
| 2 | 1 | 18.096 | 20/6:12.890 |
| 3 | 1 | 19.243 | 20/6:16.880 |
| 4 | 1 | 19.531 | 19/6:01.299 |
| 5 | 1 | 19.383 | 19/6:02.695 |
| 6 | 2 | 19.601 | 19/6:04.315 |
| 7 | 1 | 19.545 | 19/6:05.321 |
| 8 | 1 | 20.048 | 19/6:07.270 |
| 9 | 3 | 19.980 | 19/6:08.642 |
| 10 | 3 | 19.488 | 19/6:08.805 |
| 11 | 3 | 20.715 | 19/6:11.058 |
| 12 | 3 | 21.981 | 19/6:14.940 |
| 13 | 3 | 19.221 | 19/6:14.190 |
| 14 | 3 | 19.378 | 19/6:13.761 |
| 15 | 3 | 19.090 | 19/6:13.024 |
| 16 | 3 | 19.445 | 19/6:12.801 |
| 17 | 3 | 20.776 | 19/6:14.092 |
| 18 | 3 | 19.295 | 19/6:13.676 |
| 19 | 3 | 19.923 | 19/6:13.932 |