| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.495 | 20/6:09.900 |
| 2 | 2 | 19.531 | 19/6:01.247 |
| 3 | 3 | 19.545 | 19/6:04.616 |
| 4 | 3 | 18.326 | 19/6:00.511 |
| 5 | 3 | 18.270 | 20/6:16.668 |
| 6 | 2 | 18.504 | 20/6:15.570 |
| 7 | 2 | 18.369 | 20/6:14.400 |
| 8 | 1 | 18.408 | 20/6:13.620 |
| 9 | 2 | 18.258 | 20/6:12.680 |
| 10 | 2 | 18.171 | 20/6:11.754 |
| 11 | 1 | 18.273 | 20/6:11.182 |
| 12 | 1 | 18.404 | 20/6:10.923 |
| 13 | 2 | 18.423 | 20/6:10.734 |
| 14 | 2 | 18.317 | 20/6:10.420 |
| 15 | 2 | 18.440 | 20/6:10.312 |
| 16 | 2 | 18.316 | 20/6:10.062 |
| 17 | 1 | 18.626 | 20/6:10.207 |
| 18 | 2 | 18.657 | 20/6:10.370 |
| 19 | 1 | 18.063 | 20/6:09.891 |
| 20 | 1 | 18.592 | 20/6:09.988 |