| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 1 | 18.421 | N/A |
| 2 | 1 | 20.548 | 21/7:09.381 |
| 3 | 1 | 20.294 | 21/7:06.841 |
| 4 | 1 | 20.012 | 21/7:04.114 |
| 5 | 1 | 20.311 | 21/7:04.246 |
| 6 | 1 | 19.990 | 21/7:03.041 |
| 7 | 1 | 20.512 | 21/7:03.977 |
| 8 | 1 | 20.377 | 21/7:04.261 |
| 9 | 1 | 20.699 | 21/7:05.278 |
| 10 | 1 | 20.793 | 21/7:06.278 |
| 11 | 1 | 20.644 | 21/7:06.781 |
| 12 | 1 | 20.508 | 21/7:06.944 |
| 13 | 1 | 20.691 | 21/7:07.386 |
| 14 | 1 | 20.476 | 21/7:07.428 |
| 15 | 1 | 21.315 | 21/7:08.663 |
| 16 | 1 | 21.152 | 21/7:09.517 |
| 17 | 1 | 20.559 | 21/7:09.522 |
| 18 | 1 | 20.319 | 21/7:09.244 |
| 19 | 1 | 20.583 | 21/7:09.291 |
| 20 | 1 | 20.879 | 21/7:09.644 |
| 21 | 1 | 20.497 | 21/7:09.580 |