| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 15.165 | 20/5:03.300 |
| 2 | 2 | 15.738 | 20/5:09.030 |
| 3 | 2 | 15.769 | 20/5:11.147 |
| 4 | 3 | 16.140 | 20/5:14.060 |
| 5 | 3 | 15.247 | 20/5:12.236 |
| 6 | 3 | 15.161 | 20/5:10.733 |
| 7 | 3 | 15.693 | 20/5:11.180 |
| 8 | 3 | 15.443 | 20/5:10.890 |
| 9 | 3 | 15.361 | 20/5:10.482 |
| 10 | 4 | 17.851 | 20/5:15.136 |
| 11 | 4 | 15.018 | 20/5:13.793 |
| 12 | 4 | 15.433 | 20/5:13.365 |
| 13 | 4 | 15.242 | 20/5:12.709 |
| 14 | 4 | 15.610 | 20/5:12.673 |
| 15 | 4 | 15.055 | 20/5:11.901 |
| 16 | 4 | 19.485 | 19/5:00.926 |
| 17 | 4 | 15.274 | 19/5:00.295 |
| 18 | 4 | 15.598 | 19/5:00.077 |
| 19 | 4 | 15.143 | 20/5:15.185 |
| 20 | 4 | 18.134 | 20/5:17.560 |