| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 20.041 | 15/5:00.615 |
| 2 | 1 | 20.048 | 15/5:00.668 |
| 3 | 1 | 20.091 | 15/5:00.900 |
| 4 | 1 | 23.390 | 15/5:13.387 |
| 5 | 2 | 21.756 | 15/5:15.978 |
| 6 | 2 | 20.370 | 15/5:14.240 |
| 7 | 2 | 20.609 | 15/5:13.511 |
| 8 | 2 | 21.374 | 15/5:14.398 |
| 9 | 2 | 20.296 | 15/5:13.292 |
| 10 | 1 | 21.243 | 15/5:13.827 |
| 11 | 2 | 20.756 | 15/5:13.601 |
| 12 | 2 | 21.208 | 15/5:13.978 |
| 13 | 2 | 20.986 | 15/5:14.040 |
| 14 | 2 | 20.892 | 15/5:13.993 |
| 15 | 2 | 20.798 | 15/5:13.858 |