| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 20.501 | N/A |
| 2 | 3 | 17.219 | 21/6:04.881 |
| 3 | 4 | 17.432 | 21/6:07.011 |
| 4 | 4 | 17.045 | 21/6:05.141 |
| 5 | 5 | 17.074 | 21/6:04.351 |
| 6 | 5 | 18.755 | 21/6:10.601 |
| 7 | 5 | 17.391 | 21/6:10.221 |
| 8 | 5 | 17.812 | 21/6:11.152 |
| 9 | 5 | 22.511 | 20/6:05.443 |
| 10 | 6 | 20.433 | 20/6:10.253 |
| 11 | 6 | 19.281 | 20/6:11.911 |
| 12 | 6 | 19.910 | 20/6:14.355 |
| 13 | 6 | 17.550 | 20/6:12.654 |
| 14 | 6 | 17.923 | 20/6:11.761 |
| 15 | 6 | 19.151 | 20/6:12.661 |
| 16 | 6 | 16.855 | 20/6:10.534 |
| 17 | 6 | 16.620 | 20/6:08.393 |
| 18 | 6 | 18.238 | 20/6:08.312 |
| 19 | 6 | 17.544 | 20/6:07.508 |
| 20 | 5 | 18.559 | 20/6:07.804 |