| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.249 | 20/6:04.980 |
| 2 | 6 | 18.770 | 20/6:10.190 |
| 3 | 6 | 18.855 | 20/6:12.493 |
| 4 | 6 | 18.389 | 20/6:11.315 |
| 5 | 6 | 18.144 | 20/6:09.628 |
| 6 | 6 | 18.359 | 20/6:09.220 |
| 7 | 6 | 18.581 | 20/6:09.563 |
| 8 | 6 | 18.808 | 20/6:10.387 |
| 9 | 6 | 18.903 | 20/6:11.240 |
| 10 | 6 | 19.130 | 20/6:12.376 |
| 11 | 6 | 18.109 | 20/6:11.449 |
| 12 | 6 | 18.678 | 20/6:11.625 |
| 13 | 6 | 18.031 | 20/6:10.778 |
| 14 | 6 | 19.007 | 20/6:11.447 |
| 15 | 6 | 17.920 | 20/6:10.577 |
| 16 | 6 | 17.910 | 20/6:09.804 |
| 17 | 6 | 18.345 | 20/6:09.633 |
| 18 | 6 | 19.025 | 20/6:10.237 |
| 19 | 5 | 19.049 | 20/6:10.802 |
| 20 | 5 | 18.771 | 20/6:11.033 |