19 November 2017
Los Angeles, CA, United States| # | Rider | Age* | Team | Time |
|---|---|---|---|---|
| 1 |  | 19 | 44:49 | |
| 2 | | 20 | 0:03 | |
| 3 | | 21 | 0:41 | |
| 4 | | 20 | 1:29 | |
| 5 | | 19 | 1:47 | |
| 6 | | 19 | 2:00 | |
| 7 | | 21 | 2:14 | |
| 8 | | 21 | 2:52 | |
| 9 | | 20 | 3:03 | |
| 10 | | 20 | 3:04 | |
| 11 | | 19 | 4:58 | |
| 12 | | 18 | 5:53 | |
| 13 | | 19 | 7:12 |
* Age: UCI-age. Age of the rider at the end of 2017.