| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 17.740 | 21/6:12.540 |
| 2 | 1 | 16.845 | 21/6:03.142 |
| 3 | 1 | 17.489 | 21/6:04.518 |
| 4 | 1 | 17.499 | 21/6:05.258 |
| 5 | 1 | 16.891 | 21/6:03.149 |
| 6 | 1 | 17.533 | 21/6:03.990 |
| 7 | 1 | 17.977 | 21/6:05.922 |
| 8 | 1 | 17.264 | 21/6:05.500 |
| 9 | 2 | 22.913 | 20/6:00.336 |
| 10 | 3 | 19.667 | 20/6:03.636 |
| 11 | 3 | 19.205 | 20/6:05.496 |
| 12 | 3 | 17.209 | 20/6:03.720 |
| 13 | 3 | 18.121 | 20/6:03.620 |
| 14 | 3 | 17.132 | 20/6:02.121 |
| 15 | 2 | 19.456 | 20/6:03.921 |
| 16 | 2 | 20.999 | 20/6:07.425 |
| 17 | 3 | 25.049 | 20/6:15.281 |
| 18 | 3 | 21.192 | 20/6:17.979 |
| 19 | 3 | 17.578 | 20/6:16.588 |
| 20 | 3 | 17.327 | 20/6:15.086 |