| Rank | Bib | Name | Affiliation | Time | Split Time | Laps | Category |
| 1 | 305 | Julie ROBERTSON ZIVIN | Thrive | 45:42. | 11:24. | 4 | W 50-54 |
| 2 | 303 | Elizabeth SHELDON | CXHAIRS DEVO : TREK BIKES | 45:57. | 11:16. | 4 | W 50-54 |
| 3 | 312 | Anne FLEMING | Emde Sports/SOC | 46:16. | 11:34. | 4 | W 50-54 |
| 4 | 315 | Erica WESCOTT | Deschutes Brewery Cycling Team | 46:26. | 11:37. | 4 | W 50-54 |
| 5 | 307 | Katrina DOWIDCHUK | Colavita Whole Foods Market | 46:42. | 11:30. | 4 | W 50-54 |
| 6 | 322 | Jodi DUQUETTE | Eugenia | 46:50. | 11:37. | 4 | W 50-54 |
| 7 | 310 | Laura TRACE | Bicycle Attorney | 47:12. | 12:02. | 4 | W 50-54 |
| 8 | 332 | Margell ABEL | Boulder Masters Cycling Team | 47:54. | 12:05. | 4 | W 50-54 |
| 9 | 304 | Tracy YATES | Feedback Sports Racing | 48:31. | 12:21. | 4 | W 50-54 |
| 10 | 309 | Stephanie UETRECHT | Webcyclery Racing | 49:21. | 12:09. | 4 | W 50-54 |
| 11 | 329 | Jodi CONNOLLY | black sheep velo | 49:43. | 12:36. | 4 | W 50-54 |
| 12 | 318 | Rhonda MORIN | Sorella Forte | 49:46. | 12:20. | 4 | W 50-54 |
| 13 | 319 | Christina PROBERT | Turner/ The Team | 50:07. | 12:41. | 4 | W 50-54 |
| 14 | 311 | Geraldine VANDER HAEGEN | Olympia Orthopaedic Associates | 50:24. | 12:36. | 4 | W 50-54 |
| 15 | 314 | Syrae WEIKLE | BoulderCentre for Orthopedics | 50:52. | 12:47. | 4 | W 50-54 |
| 16 | 313 | Ann KENNEDY | bicycleattorney com | 51:43. | 13:10. | 4 | W 50-54 |
| 17 | 324 | Brenna Elena WOLFORD | Sunnyside Sports | 52:20. | 13:03. | 4 | W 50-54 |
| 18 | 323 | Kimberly ROBINSON | Team Finger | 52:23. | 13:27. | 4 | W 50-54 |
| 19 | 327 | Susan KOLB | Deschutes Brewery | 52:54. | 12:58. | 4 | W 50-54 |
| 20 | 308 | Lynn WELLER | Team HammerCross | 53:21. | 13:20. | 4 | W 50-54 |
| 21 | 326 | Anna JURGENS | Splunk Race Team/CA Cycling Clu | 53:30. | 13:05. | 4 | W 50-54 |
| 22 | 331 | Jodie RAMEY | Team Thrive | 55:21. | 13:58. | 4 | W 50-54 |
| 23 | 320 | Tiedji BAKER | Digestive Health Cliinic Boise | 57:26. | 14:15. | 4 | W 50-54 |
| 24 | 317 | Renee SHELTON | dfL | 57:37. | 14:00. | 4 | W 50-54 |
| 25 | 328 | Christy VAHLBERG | Voler/Easton/HRS/Rock Lobster p | 57:50. | 14:03. | 4 | W 50-54 |
| 26 | 325 | Cecilia BECERRA | GroupTrail | 57:59. | 14:10. | 4 | W 50-54 |
| 27 | 321 | Kristen CRUPI | Black Sheep Velo | 45:31. | 15:11. | 3 | W 50-54 |
| 28 | 316 | Kristi PROUGH | Soundpony Triad Bank | 46:09. | 15:53. | 3 | W 50-54 |
| 29 | 330 | Nancy ODLE | | 52:05. | 17:35. | 3 | W 50-54 |
