| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 15.281 | 20/5:05.620 |
| 2 | 4 | 15.524 | 20/5:08.050 |
| 3 | 4 | 15.503 | 20/5:08.720 |
| 4 | 2 | 15.878 | 20/5:10.929 |
| 5 | 2 | 15.271 | 20/5:09.828 |
| 6 | 2 | 16.114 | 20/5:11.903 |
| 7 | 2 | 15.603 | 20/5:11.925 |
| 8 | 2 | 15.681 | 20/5:12.137 |
| 9 | 2 | 15.549 | 20/5:12.008 |
| 10 | 2 | 15.669 | 20/5:12.146 |
| 11 | 2 | 15.596 | 20/5:12.125 |
| 12 | 2 | 15.821 | 20/5:12.483 |
| 13 | 2 | 15.364 | 20/5:12.083 |
| 14 | 2 | 15.513 | 20/5:11.952 |
| 15 | 2 | 15.673 | 20/5:12.053 |
| 16 | 2 | 15.509 | 20/5:11.936 |
| 17 | 2 | 17.683 | 20/5:14.390 |
| 18 | 2 | 15.726 | 20/5:14.397 |
| 19 | 2 | 15.349 | 20/5:14.007 |
| 20 | 1 | 15.247 | 20/5:13.554 |