| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 1.823 | N/A |
| 2 | 1 | 18.065 | 21/6:03.123 |
| 3 | 1 | 18.170 | 21/6:04.173 |
| 4 | 1 | 18.589 | 21/6:07.316 |
| 5 | 1 | 18.106 | 21/6:06.473 |
| 6 | 1 | 19.615 | 21/6:12.003 |
| 7 | 1 | 18.887 | 21/6:13.263 |
| 8 | 1 | 18.469 | 21/6:12.968 |
| 9 | 1 | 18.151 | 21/6:11.953 |
| 10 | 1 | 18.286 | 21/6:11.463 |
| 11 | 1 | 18.506 | 21/6:11.511 |
| 12 | 1 | 18.817 | 21/6:12.115 |
| 13 | 1 | 18.692 | 21/6:12.411 |
| 14 | 1 | 18.363 | 21/6:12.155 |
| 15 | 1 | 18.294 | 21/6:11.837 |
| 16 | 1 | 18.544 | 21/6:11.895 |
| 17 | 1 | 18.282 | 21/6:11.618 |
| 18 | 1 | 18.736 | 21/6:11.907 |
| 19 | 1 | 21.145 | 21/6:14.841 |
| 20 | 1 | 18.431 | 21/6:14.610 |
| 21 | 1 | 18.479 | 21/6:14.450 |