| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 22.204 | N/A |
| 2 | 1 | 20.318 | 21/7:08.564 |
| 3 | 1 | 20.441 | 21/7:09.794 |
| 4 | 1 | 20.459 | 21/7:10.324 |
| 5 | 1 | 20.552 | 21/7:11.054 |
| 6 | 1 | 20.685 | 21/7:12.024 |
| 7 | 1 | 20.426 | 21/7:11.807 |
| 8 | 1 | 20.444 | 21/7:11.704 |
| 9 | 1 | 20.162 | 21/7:10.921 |
| 10 | 1 | 20.434 | 21/7:10.917 |
| 11 | 1 | 20.345 | 21/7:10.736 |
| 12 | 1 | 20.979 | 21/7:11.740 |
| 13 | 1 | 20.752 | 21/7:12.199 |
| 14 | 1 | 20.224 | 21/7:11.774 |
| 15 | 1 | 20.639 | 21/7:12.004 |
| 16 | 1 | 20.693 | 21/7:12.274 |
| 17 | 1 | 20.628 | 21/7:12.430 |
| 18 | 1 | 21.538 | 21/7:13.638 |
| 19 | 1 | 20.592 | 21/7:13.660 |
| 20 | 1 | 20.895 | 21/7:13.999 |
| 21 | 1 | 21.212 | 21/7:14.622 |