| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 17.340 | 21/6:04.140 |
| 2 | 1 | 18.228 | 21/6:13.464 |
| 3 | 1 | 17.992 | 21/6:14.920 |
| 4 | 1 | 17.658 | 21/6:13.894 |
| 5 | 1 | 17.503 | 21/6:12.628 |
| 6 | 1 | 18.432 | 21/6:15.036 |
| 7 | 2 | 20.691 | 20/6:05.269 |
| 8 | 2 | 18.646 | 20/6:06.225 |
| 9 | 2 | 21.376 | 20/6:13.036 |
| 10 | 2 | 18.321 | 20/6:12.374 |
| 11 | 2 | 18.410 | 20/6:11.995 |
| 12 | 2 | 18.119 | 20/6:11.193 |
| 13 | 2 | 18.087 | 20/6:10.466 |
| 14 | 2 | 18.027 | 20/6:09.757 |
| 15 | 2 | 18.116 | 20/6:09.261 |
| 16 | 2 | 20.573 | 20/6:11.899 |
| 17 | 2 | 17.579 | 20/6:10.704 |
| 18 | 2 | 18.628 | 20/6:10.807 |
| 19 | 2 | 18.419 | 20/6:10.679 |
| 20 | 1 | 17.583 | 20/6:09.728 |