| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.671 | 20/6:13.420 |
| 2 | 1 | 18.578 | 20/6:12.490 |
| 3 | 1 | 18.351 | 20/6:10.667 |
| 4 | 1 | 18.890 | 20/6:12.450 |
| 5 | 1 | 19.162 | 20/6:14.608 |
| 6 | 3 | 19.920 | 20/6:18.573 |
| 7 | 3 | 19.280 | 19/6:00.598 |
| 8 | 3 | 17.952 | 20/6:17.010 |
| 9 | 2 | 18.525 | 20/6:16.287 |
| 10 | 2 | 18.257 | 20/6:15.172 |
| 11 | 2 | 18.651 | 20/6:14.976 |
| 12 | 1 | 18.029 | 20/6:13.777 |
| 13 | 1 | 18.976 | 20/6:14.218 |
| 14 | 1 | 18.663 | 20/6:14.150 |
| 15 | 1 | 18.926 | 20/6:14.441 |
| 16 | 1 | 19.627 | 20/6:15.572 |
| 17 | 1 | 19.009 | 20/6:15.844 |
| 18 | 1 | 19.349 | 20/6:16.462 |
| 19 | 1 | 18.967 | 20/6:16.614 |
| 20 | 1 | 19.506 | 20/6:17.289 |