| Rank | Bib | Name | Affiliation | Time | Split Time | Laps | Category |
| 1 | 10 | Jonathan BAKER | Touchstone Racing | 47:27. | 9:39. | 5 | M 45-49 1-2-3 |
| 2 | 11 | Justin ROBINSON | Santa Cruz Free Agent | 48:20. | 9:38. | 5 | M 45-49 1-2-3 |
| 3 | 3 | Ian TUBBS | AUDI | 48:22. | 9:32. | 5 | M 45-49 1-2-3 |
| 4 | 36 | Kent HAMMOND | PAA Cycling | 49:42. | 9:59. | 5 | M 45-49 1-2-3 |
| 5 | 12 | Justin MORGAN | | 49:47. | 10:03. | 5 | M 45-49 1-2-3 |
| 6 | 8 | Matt DAVIES | Full Cycle Cyclocross Team | 50:02. | 10:03. | 5 | M 45-49 1-2-3 |
| 7 | 9 | Eric ANDERSON | TREK / BGI | 50:06. | 9:48. | 5 | M 45-49 1-2-3 |
| 8 | 1 | Adam MYERSON | Cycle-Smart | 50:18. | 10:05. | 5 | M 45-49 1-2-3 |
| 9 | 21 | Danny WEIKEL | Fast Fun Nice P/B Wattie ink | 50:54. | 10:02. | 5 | M 45-49 1-2-3 |
| 10 | 42 | James C BIRKENBUEL | MIGHTY CYCLING | 50:57. | 10:00. | 5 | M 45-49 1-2-3 |
| 11 | 20 | Brian AIKEN | Feedback Sports | 51:07. | 10:10. | 5 | M 45-49 1-2-3 |
| 12 | 45 | Michael GALLAGHER | Fast Fun Nice P/B Wattie Ink | 51:14. | 10:12. | 5 | M 45-49 1-2-3 |
| 13 | 5 | Craig MATTERN | Park Ave Bike p/b Borah Teamwea | 51:28. | 10:35. | 5 | M 45-49 1-2-3 |
| 14 | 19 | Justin THOMAS | TCI Wealth Advisors | 51:33. | 10:20. | 5 | M 45-49 1-2-3 |
| 15 | 14 | Jason WALKER | Set Coaching | 51:39. | 10:27. | 5 | M 45-49 1-2-3 |
| 16 | 18 | Dan SCHRAD | Pedal Racing | 51:41. | 10:10. | 5 | M 45-49 1-2-3 |
| 17 | 44 | Steve WESTOVER | Keller Rohrback | 51:56. | 10:31. | 5 | M 45-49 1-2-3 |
| 18 | 13 | Shadd SMITH | KCCX Elite Cyclocross Team | 52:12. | 10:29. | 5 | M 45-49 1-2-3 |
| 19 | 28 | Calvin SPRANGER | Broadmark Mt Si Racing | 52:21. | 10:43. | 5 | M 45-49 1-2-3 |
| 20 | 7 | Paul BONDS | SPCX pb RK Black | 52:28. | 10:23. | 5 | M 45-49 1-2-3 |
| 21 | 60 | Brian ANTHONY | ANTHM Collective | 52:58. | 10:43. | 5 | M 45-49 1-2-3 |
| 22 | 24 | Brock DICKIE | | 53:11. | 10:44. | 5 | M 45-49 1-2-3 |
| 23 | 23 | Josh BURGEL | Bikeway Source | 53:25. | 10:33. | 5 | M 45-49 1-2-3 |
| 24 | 17 | Kurt SCHMID | New England Devo p/b Cadence We | 53:37. | 10:45. | 5 | M 45-49 1-2-3 |
| 25 | 37 | Barney GILL | HOTWIRE / ALKI VELO CLUB | 53:59. | 11:01. | 5 | M 45-49 1-2-3 |
| 26 | 38 | Trevor KOSA | NA | 54:00. | 10:51. | 5 | M 45-49 1-2-3 |
| 27 | 40 | Webster WILSON | Perthes Awareness Cycling Team | 54:00. | 10:51. | 5 | M 45-49 1-2-3 |
| 28 | 31 | Michael BROWN | WebCyclery Racing | 54:00. | 10:51. | 5 | M 45-49 1-2-3 |
| 29 | 69 | Jason GOWANS | Audi Cycling | 54:34. | 11:07. | 5 | M 45-49 1-2-3 |
| 30 | 73 | Zack PHILLIPS | PCP Racing | 54:46. | 10:56. | 5 | M 45-49 1-2-3 |
| 31 | 16 | Steven WILLIAMS | Nemesis | 54:55. | 10:47. | 5 | M 45-49 1-2-3 |
| 32 | 62 | Mark YOUNG | Alki Rubicon | 55:07. | 11:08. | 5 | M 45-49 1-2-3 |
| 33 | 47 | William HENDRICKS | Mountain View Cycles | 55:14. | 10:58. | 5 | M 45-49 1-2-3 |
| 34 | 26 | Brian STABY | CX Nation | 55:17. | 11:09. | 5 | M 45-49 1-2-3 |
| 35 | 15 | Rob KANE | Bicycle Heaven / SACX | 55:35. | 11:20. | 5 | M 45-49 1-2-3 |
| 36 | 34 | Anastasio FLORES JR | Team Trouble p/b Spokesman Bicy | 55:39. | 11:09. | 5 | M 45-49 1-2-3 |
| 37 | 79 | Kyle FARRELL | Keller Rohrback Racing | 55:55. | 11:20. | 5 | M 45-49 1-2-3 |
| 38 | 46 | Jonas BAKKANE | Egencia | 56:01. | 11:18. | 5 | M 45-49 1-2-3 |
| 39 | 63 | Dan PLUMB | Letmeputittoyouthisway | 56:05. | 11:11. | 5 | M 45-49 1-2-3 |
| 40 | 51 | Steven ROBINSON | | 56:05. | 11:09. | 5 | M 45-49 1-2-3 |
| 41 | 80 | Aaron ERBECK | Alki Rubicon Racing | 56:27. | 11:15. | 5 | M 45-49 1-2-3 |
| 42 | 56 | Justin HEINEN | Taco Time NW | 56:28. | 11:24. | 5 | M 45-49 1-2-3 |
| 43 | 29 | Duncan MCINTOSH | Hagens Berman Cycling | 56:44. | 11:29. | 5 | M 45-49 1-2-3 |
| 44 | 81 | James STULL | Chain Reaction Alaska / 9ZERO7 | 57:02. | 11:33. | 5 | M 45-49 1-2-3 |
| 45 | 50 | Pete ZLATNIK | Folsom Bike | 57:14. | 11:08. | 5 | M 45-49 1-2-3 |
| 46 | 30 | Craig SNYDAL | Kelly Benefit Strategies/LSV | 57:20. | 11:15. | 5 | M 45-49 1-2-3 |
| 47 | 68 | Mark FREDA | Hotwire/ Alki Velo Club | 57:25. | 11:28. | 5 | M 45-49 1-2-3 |
| 48 | 22 | Jay HENDERSON | Team Hollywood Cycles THC* | 57:37. | 11:45. | 5 | M 45-49 1-2-3 |
| 49 | 39 | Stewart L GRAY | Contender Bicycles | 57:43. | 11:27. | 5 | M 45-49 1-2-3 |
| 50 | 32 | Matthew CHRISTIANSEN | MOB Cycle Works - Primal Wear | 57:47. | 11:27. | 5 | M 45-49 1-2-3 |
| 51 | 25 | Eric TAKAYAMA | HUP United | 58:01. | 10:48. | 5 | M 45-49 1-2-3 |
| 52 | 70 | Ewan ALEXANDER | Fount Cycling Guild | 59:27. | 12:02. | 5 | M 45-49 1-2-3 |
| 53 | 49 | David ROSEN | Sage Titanium Factory Racing | 47:58. | 12:03. | 4 | M 45-49 1-2-3 |
| 54 | 27 | Tony FRAIJ | Sklar Masters Racing | 48:08. | 12:06. | 4 | M 45-49 1-2-3 |
| 55 | 77 | Ben KAPLAN | Keller Rohrback | 48:10. | 12:13. | 4 | M 45-49 1-2-3 |
| 56 | 78 | Roger BURTON | Egencia | 48:11. | 11:50. | 4 | M 45-49 1-2-3 |
| 57 | 48 | Justin HINTZ | Rhythm Racing | 48:21. | 12:12. | 4 | M 45-49 1-2-3 |
| 58 | 66 | Adam VANARSDALL | | 48:42. | 12:17. | 4 | M 45-49 1-2-3 |
| 59 | 52 | Guido Guy MACKENZIE | GAS/Intrinsik | 49:00. | 12:15. | 4 | M 45-49 1-2-3 |
| 60 | 35 | Jason BREITBARTH | Old School Industries Cycling T | 49:14. | 12:43. | 4 | M 45-49 1-2-3 |
| 61 | 59 | Keith HEINZELMAN | 2020fuel | 49:23. | 12:23. | 4 | M 45-49 1-2-3 |
| 62 | 58 | Chad EDER | Chinook Racing | 49:27. | 12:18. | 4 | M 45-49 1-2-3 |
| 63 | 53 | Curtiss DOSIER | Knobbe Cycling | 49:41. | 12:57. | 4 | M 45-49 1-2-3 |
| 64 | 71 | Forrest MURPHY | Black Sheep Velo | 50:02. | 12:36. | 4 | M 45-49 1-2-3 |
| 65 | 57 | Steven MOE | Nemesis | 50:57. | 12:41. | 4 | M 45-49 1-2-3 |
| 66 | 74 | Eric KOLVE | | 51:43. | 13:07. | 4 | M 45-49 1-2-3 |
| 67 | 76 | Mike UBEZZI | | 54:26. | 13:49. | 4 | M 45-49 1-2-3 |
| 68 | 61 | Andrew LAMB | Dyna Racing | 54:58. | 14:20. | 4 | M 45-49 1-2-3 |
| DNF | 33 | Benjamin BRAINARD | Flywheel Bicycle Solutions | | 11:26. | 1 | M 45-49 1-2-3 |
| DNF | 75 | Seth BEDWELL | Dyna Racing | | 12:34. | 1 | M 45-49 1-2-3 |
| DNF | 65 | Terry JORDON | Team Pay N Take | | 15:06. | 1 | M 45-49 1-2-3 |
