| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 15.956 | 19/5:03.164 |
| 2 | 1 | 16.337 | 19/5:06.783 |
| 3 | 2 | 16.372 | 19/5:08.211 |
| 4 | 1 | 16.229 | 19/5:08.246 |
| 5 | 2 | 16.265 | 19/5:08.404 |
| 6 | 2 | 16.465 | 19/5:09.142 |
| 7 | 2 | 16.219 | 19/5:09.002 |
| 8 | 2 | 16.771 | 19/5:10.208 |
| 9 | 2 | 16.230 | 19/5:10.004 |
| 10 | 2 | 16.305 | 19/5:09.983 |
| 11 | 2 | 15.779 | 19/5:09.057 |
| 12 | 2 | 16.069 | 19/5:08.745 |
| 13 | 2 | 16.182 | 19/5:08.646 |
| 14 | 2 | 19.026 | 19/5:12.421 |
| 15 | 2 | 19.301 | 19/5:16.040 |
| 16 | 2 | 16.598 | 19/5:15.998 |
| 17 | 2 | 16.324 | 19/5:15.654 |
| 18 | 2 | 16.124 | 19/5:15.138 |
| 19 | 2 | 16.679 | 19/5:15.231 |