| Rank | Bib | Name | Affiliation | Time | Split Time | Laps | Category |
| 1 | 202 | Katherine SARKISOV | CXHAIRS DEVO : Trek Bikes | 47:58. | 12:25. | 4 | JW 17-18 |
| 2 | 209 | Keira BOND | Boulder Junior Cycling | 48:49. | 12:32. | 4 | JW 17-18 |
| 3 | 221 | Kaya MUSGRAVE | Bear National / WCX | 48:53. | 12:28. | 4 | JW 17-18 |
| 4 | 204 | Chloe FRASER | Boulder Junior Cycling | 49:53. | 12:39. | 4 | JW 17-18 |
| 5 | 213 | Samantha SCOTT | USA Cycling Olympic Development Academy | 50:05. | 12:46. | 4 | JW 17-18 |
| 6 | 203 | Mia ASELTINE | Cannondale-Cyclocrossworld.com Devo | 50:38. | 12:55. | 4 | JW 17-18 |
| 7 | 211 | Elsa WESTENFELDER | Team Stampede/Five Valley Velo | 51:13. | 13:34. | 4 | JW 17-18 |
| 8 | 225 | Bronwynn GAR-AOUY | Fount Cycling Guild | 51:28. | 13:37. | 4 | JW 17-18 |
| 9 | 207 | Lydia ELBERT | The Pony Shop | 51:56. | 13:28. | 4 | JW 17-18 |
| 10 | 228 | Ella BROWN | Boulder Junior Cycling | 52:34. | 13:35. | 4 | JW 17-18 |
| 11 | 208 | Ella BRENNEMAN | CXHAIRS DEVO : TREK BIKES | 53:12. | 13:55. | 4 | JW 17-18 |
| 12 | 226 | Madeline STOVER | Team S&M/Cascadia Jr Cycling | 54:19. | 13:53. | 4 | JW 17-18 |
| 13 | 205 | Natasha VISNACK | USAC Olympic Development Academy | 54:25. | 13:42. | 4 | JW 17-18 |
| 14 | 214 | Callah ROBINSON | NW CX Project | 55:01. | | 4 | JW 17-18 |
| 15 | 227 | Oona NELSON | Womens Free State | 55:02. | | 4 | JW 17-18 |
| 16 | 212 | Samantha CLARK | Be Real Sports | 55:03. | | 4 | JW 17-18 |
| 17 | 218 | Carrie MASTERS | Lionhearts Junior Racing | 55:04. | | 4 | JW 17-18 |
| 18 | 224 | Makala JARAMILLO | Team Twenty 24 | 55:05. | | 4 | JW 17-18 |
| 19 | 222 | Brinley SHRUM | Midwest Devo | 55:06. | | 4 | JW 17-18 |
| 20 | 216 | Izabella SHAFFER | UPMC/PRO BIKE +RUN | 55:07. | | 4 | JW 17-18 |
| 21 | 280 | Sylvia ESPINOZA | BJC | 55:08. | | 4 | JW 17-18 |
| 22 | 219 | Alexa STIERWALT | Aether Racing | 55:09. | | 4 | JW 17-18 |
| 23 | 229 | Emma KASZA-JAMES | | 55:10. | | 4 | JW 17-18 |
| 24 | 206 | Molly DISHONG | Columbia/Guipago Cycles | 55:11. | | 4 | JW 17-18 |
| 25 | 210 | Olivia SANDOVAL | Knobby by Nature | 55:12. | | 4 | JW 17-18 |
| 26 | 215 | Alison MCKEITHAN | Blue Ridge Cross | 30:45. | 15:42. | 2 | JW 17-18 |
| 27 | 220 | Emma BALDING | nine13sports p/b SingletonCoaching | 33:32. | 18:11. | 2 | JW 17-18 |
| 28 | 217 | Isabella CRESPO | Connecticut Cycling Advancement Program Junior Travel Team | 35:25. | 18:26. | 2 | JW 17-18 |
| 29 | 223 | Sarah BANKS | nine13sports p/b SingletonCoaching | 19:52. | 19:52. | 1 | JW 17-18 |
| DNF | 230 | Mia SCHUMANN | Bear National/WCX | | 15:29. | 1 | JW 17-18 |
