Name	Location	Distance	Avg Gradient	Total Elevation	Climb Category
1. Witter Gulch to Top of Mt. Evans	Jefferson County	49.04 km	4.2%	2,447 m	HC
2. CO 330 to Grand Mesa Summit	Mesa County	33.61 km	5.1%	1,887 m	HC
3. Idaho Springs I-70 to Summit Lake	Clear Creek County	35.46 km	4.6%	1,776 m	HC
4. Durango to Kennebec	La Plata County	39.17 km	3.9%	1,542 m	HC
5. Mt. Evans	Clear Creek County	30.74 km	5%	1,537 m	HC
6. Barr Trail to Elk Park	El Paso County	17.78 km	8.2%	1,688 m	HC
7. Grand Mesa Climb	Delta County	30.7 km	4.6%	1,403 m	HC
8. Mesa Downtown to Grand Mesa	Mesa County	28.05 km	4.9%	1,427 m	HC
9. 36 to Brainard Gate	Boulder County	32.41 km	4.2%	1,353 m	HC
10. Lefthand all the way to Brainard Lake..not the gate	Boulder County	35 km	3.8%	1,345 m	HC
11. Imogene Pass - Tomboy Rd	San Miguel County	10.59 km	12.3%	1,300 m	HC
12. Triple Bypass - Idaho Springs to Loveland Pass	Clear Creek County	46.4 km	2.8%	1,286 m	HC
13. Independence Pass - Roaring Fork bridge to summit	Pitkin County	30.79 km	4.1%	1,268 m	HC
14. Bocan to the Peak to Peak	Boulder County	29.18 km	4.1%	1,188 m	HC
15. Kalmia to Ward	Boulder County	30.3 km	3.9%	1,391 m	HC
16. Black Bear Road Climb	San Miguel County	10.85 km	10.7%	1,386 m	HC
17. The Dirty Climb up to P2P	Boulder County	28.54 km	4.1%	1,157 m	HC
18. Airport/Nelson to Ward Watering hole	Boulder County	38.14 km	3%	1,189 m	HC
19. Gateway to LS hut full climb	Mesa County	22.35 km	5.1%	1,145 m	HC
20. Engineer Pass Entire Climb	Hinsdale County	27.92 km	4.1%	1,143 m	HC
21. 36 to ward via Lefthand Canyon	Boulder County	26.93 km	4.1%	1,113 m	HC
22. UP & Over 36-72	Boulder County	33.17 km	3.4%	1,111 m	HC
23. 36 to Ward	Boulder County	27.25 km	4.1%	1,109 m	HC
24. Spring Creek to Summit Lake	Routt County	20.25 km	5.3%	1,063 m	HC
25. Lift 6 Base to Lift 8 Peak	Eagle County	11.67 km	9.1%	1,070 m	HC
26. Full Squaw	Clear Creek County	25.24 km	4.2%	1,079 m	HC
27. Benchmark Climb	Eagle County	15.27 km	6.9%	1,052 m	HC
28. RMNP West entrance to west summit	Grand County	34.94 km	3%	1,311 m	HC
29. West Entrance to Rock Cut	Grand County	39.07 km	2.7%	1,036 m	HC
30. Poncha Springs to Marshall Pass climb	Chaffee County	31.32 km	3.3%	1,027 m	HC
31. Golden Gate - 93 Parking Lot to 119	Jefferson County	28.53 km	3.6%	1,426 m	HC
32. Walgreens to Juniper	Jefferson County	24.82 km	4.1%	1,167 m	HC
33. Gateway to La Sal Hut	Mesa County	33.57 km	3%	1,007 m	HC
34. Squaw Pass/Triple By-Pass	Jefferson County	23.67 km	4.3%	1,005 m	HC
35. 4th to Sawmill	Boulder County	23.21 km	4.3%	1,185 m	HC
36. Juniper Pass Climb	Jefferson County	23.81 km	4.2%	997 m	HC
37. Golden Gate Canyon to Mountain Base Summit	Jefferson County	27.63 km	3.6%	1,405 m	HC
38. 36 to Ward water stop	Boulder County	25.78 km	3.8%	982 m	HC
39. GT - Aspen Mountain Hill Climb	Pitkin County	7.46 km	13.1%	1,065 m	HC
40. Allll the way up	Jefferson County	28.22 km	3.5%	976 m	HC
41. GHP past San Isabel to C2	Pueblo County	28.71 km	3.4%	1,062 m	HC
42. Idaho Springs to Juniper Pass Picnic Area	Clear Creek County	23.77 km	4.1%	990 m	HC
43. Snap Into a Slim Jim	Boulder County	31.21 km	3.1%	974 m	HC
44. Poncha Springs to Marshall Pass Summit	Chaffee County	29.64 km	3.3%	971 m	HC
45. Wetmore 2 Bigelow Divide	Custer County	28.4 km	3.4%	1,115 m	HC
46. TBP 2014 Start to Juniper Pass	Jefferson County	24.69 km	3.9%	1,009 m	HC
47. Wetmore 2 top of 165	Custer County	22.34 km	4.3%	959 m	HC
48. Straight to the Top	Boulder County	19.96 km	4.8%	1,106 m	HC
49. Columbine	Chaffee County	11.92 km	8%	990 m	HC
50. Vail to Benchmark Overlook	Eagle County	13.86 km	6.9%	951 m	HC
51. RTD Park and Ride to Pass	Jefferson County	21.22 km	4.5%	949 m	HC
52. Rampart Range Rd: Full Climb	El Paso County	18.22 km	5.2%	957 m	HC
53. Bob Cook Race Start to Echo lake	Clear Creek County	20.56 km	4.6%	940 m	HC
54. Vail Outlier Climb	Eagle County	13.55 km	6.9%	940 m	HC
55. Idaho to Echo Lake Lodge	Clear Creek County	20.48 km	4.6%	938 m	HC
56. Idaho Spgs to Echo Lake Lodge	Clear Creek County	20.44 km	4.6%	935 m	HC
57. Columbine Climb - Past Corner	Chaffee County	11.45 km	8.2%	935 m	HC
58. Golden Gate climb all the way to the top of Golden Gate Canyon SP	Jefferson County	26.44 km	3.5%	933 m	HC
59. Idaho Springs to Echo Lake	Clear Creek County	20.65 km	4.5%	937 m	HC
60. Summer Road	Pitkin County	7.33 km	12.6%	927 m	HC
61. Rampart from Balanced Rock to Overlook	El Paso County	17.1 km	5.4%	927 m	HC
62. Rt 34 to Rainbow Curve	Larimer County	24.77 km	3.7%	927 m	HC
63. GGC+Drew Hill extras	Jefferson County	29.84 km	3.1%	1,279 m	HC
64. Idaho Springs School to Echo Lake	Clear Creek County	19.46 km	4.8%	925 m	HC
65. Switzstreet	Boulder County	27.84 km	3.3%	1,052 m	HC
66. 2014 Guanella HC	Clear Creek County	17.55 km	5.2%	979 m	HC
67. full climb from snowblind	Gunnison County	12.25 km	7.4%	910 m	HC
68. Four mile canyon to Switzerland Trail	Boulder County	15.81 km	5.7%	901 m	HC
69. Hardscrabble Canyon	Custer County	22.23 km	4.1%	900 m	HC
70. Sunshine Hillclimb Challenge Course	Boulder County	14.3 km	6.3%	896 m	HC
71. Hwy 74 to Echo Lake	Jefferson County	28.51 km	3.1%	881 m	HC
72. Gold Camp to Old Stage	El Paso County	25.12 km	3.5%	1,464 m	HC
73. Coffee shop to the top	Larimer County	17.56 km	5%	878 m	HC
74. Rist Canyon Bellvue start	Larimer County	17.45 km	5%	912 m	HC
75. Lefthand Canyon to Sawmill Rd	Boulder County	24.14 km	3.6%	866 m	HC
76. JJ's to Rist Summit	Larimer County	39.76 km	2.2%	866 m	HC
77. Crosswalk to Gold Hill Summit	Boulder County	14.26 km	6%	878 m	HC
78. Georgetown to Guanella Pass	Clear Creek County	18.34 km	4.7%	856 m	HC
79. Bottom of Canyon to Top of South Switzerland	Boulder County	17.95 km	4.8%	853 m	HC
80. Iron Horse Bicycle Classic course	La Plata County	77.21 km	1.1%	1,758 m	HC
81. Powderhorn Ski - County Line	Mesa County	19.57 km	4.3%	850 m	HC
82. S. St. Vrain river on 7 (Lyons) to 72 (P2P	Boulder County	22.82 km	3.7%	850 m	HC
83. Barr trail to Heizer turnoff	El Paso County	7.36 km	11.5%	848 m	HC
84. P2P Cycling Super Jamestown UFO	Boulder County	19 km	4.5%	846 m	HC
85. Rist Canyon Climb / Full	Larimer County	17.48 km	4.8%	844 m	HC
86. ggc accurate?	Jefferson County	17.94 km	4.7%	843 m	HC
87. Old Stage Road to Cripple Creek (Start of Dirt to End of Dirt)	El Paso County	42.06 km	2%	841 m	HC
88. Left Hand easy part	Boulder County	23.35 km	3.6%	841 m	HC
89. Four Mile to Super Gold Hill	Boulder County	16.01 km	5.2%	838 m	HC
90. Mayday Gravel to Kennebec Parking	La Plata County	15.19 km	5.5%	838 m	HC
91. Sunshine from 4th till my GPS died	Boulder County	13.12 km	6.4%	836 m	HC
92. Vail Village to Game Creek	Eagle County	10.51 km	7.9%	834 m	HC
93. Placerville --> Lizardhead Pass SB	San Miguel County	38.77 km	2.2%	832 m	HC
94. Sunshine Hill Climb 2017	Boulder County	14.55 km	5.7%	833 m	HC
95. Fraser to Berthoud Pass	Grand County	25.7 km	3.2%	832 m	HC
96. Wheeler Pass	Summit County	9.59 km	8.7%	839 m	HC
97. Golden Gate to Golden Gate DR	Jefferson County	18.06 km	4.6%	1,079 m	HC
98. 74 to Echo Park TT	Jefferson County	28.82 km	2.9%	831 m	HC
99. Mt. Elbert Power Plant to Independence Pass	Lake County	31.6 km	2.6%	829 m	HC
100. Lee Hill to Gold Hill via Deer Trail	Boulder County	19.69 km	4.2%	1,156 m	HC

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