| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 3 | 18.479 | 20/6:09.580 |
| 2 | 3 | 18.948 | 20/6:14.270 |
| 3 | 3 | 19.230 | 20/6:17.713 |
| 4 | 3 | 18.160 | 20/6:14.085 |
| 5 | 1 | 18.586 | 20/6:13.612 |
| 6 | 1 | 18.047 | 20/6:11.500 |
| 7 | 1 | 18.476 | 20/6:11.217 |
| 8 | 1 | 18.669 | 20/6:11.488 |
| 9 | 1 | 18.279 | 20/6:10.831 |
| 10 | 1 | 20.097 | 20/6:13.942 |
| 11 | 1 | 18.015 | 20/6:12.702 |
| 12 | 1 | 18.286 | 20/6:12.120 |
| 13 | 1 | 18.266 | 20/6:11.597 |
| 14 | 1 | 18.123 | 20/6:10.944 |
| 15 | 1 | 18.350 | 20/6:10.681 |
| 16 | 1 | 17.831 | 20/6:09.803 |
| 17 | 1 | 18.207 | 20/6:09.469 |
| 18 | 1 | 18.075 | 20/6:09.027 |
| 19 | 2 | 19.156 | 20/6:09.768 |
| 20 | 2 | 18.750 | 20/6:10.030 |