| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 5 | 18.627 | 20/6:12.054 |
| 2 | 4 | 18.393 | 20/6:10.002 |
| 3 | 4 | 18.402 | 20/6:09.048 |
| 4 | 4 | 18.628 | 20/6:10.025 |
| 5 | 4 | 18.590 | 20/6:10.056 |
| 6 | 4 | 18.578 | 20/6:10.726 |
| 7 | 4 | 18.735 | 20/6:11.294 |
| 8 | 4 | 18.711 | 20/6:11.066 |
| 9 | 4 | 18.722 | 20/6:11.968 |
| 10 | 4 | 18.816 | 20/6:12.404 |
| 11 | 4 | 19.016 | 20/6:13.123 |
| 12 | 4 | 18.842 | 20/6:13.433 |
| 13 | 4 | 18.995 | 20/6:13.930 |
| 14 | 4 | 19.067 | 20/6:14.046 |
| 15 | 4 | 19.168 | 20/6:15.053 |
| 16 | 4 | 19.542 | 20/6:16.004 |
| 17 | 4 | 19.201 | 20/6:16.509 |
| 18 | 4 | 19.128 | 20/6:16.845 |
| 19 | 4 | 19.059 | 20/6:17.073 |
| 20 | 6 | 19.177 | 20/6:17.397 |