| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 2 | 18.397 | 20/6:07.094 |
| 2 | 3 | 17.752 | 20/6:01.049 |
| 3 | 2 | 17.935 | 20/6:00.056 |
| 4 | 2 | 17.639 | 21/6:16.545 |
| 5 | 3 | 18.072 | 21/6:17.139 |
| 6 | 2 | 17.999 | 21/6:17.279 |
| 7 | 2 | 18.737 | 20/6:01.517 |
| 8 | 2 | 18.059 | 20/6:01.475 |
| 9 | 2 | 17.318 | 21/6:17.785 |
| 10 | 2 | 18.161 | 20/6:00.138 |
| 11 | 2 | 20.20 | 20/6:03.761 |
| 12 | 2 | 17.559 | 20/6:02.713 |
| 13 | 2 | 20.257 | 20/6:05.976 |
| 14 | 3 | 22.680 | 20/6:12.235 |
| 15 | 3 | 19.929 | 20/6:13.992 |
| 16 | 4 | 18.183 | 20/6:13.346 |
| 17 | 4 | 20.705 | 20/6:15.743 |
| 18 | 3 | 18.597 | 20/6:15.532 |
| 19 | 3 | 18.860 | 20/6:15.062 |
| 20 | 3 | 19.151 | 20/6:15.990 |