The best cycling routes around Boulder
4.6
(76)
4,337
riders
245
rides
Last updated: September 13, 2025
4.8
(4)
204
riders
1. The Dirty Bismark loop from Bobolink Trailhead — Boulder
38.4km
03:19
400m
Expert bike ride. Good fitness required. You may need to push your bike for some segments of this route.
5.0
(2)
139
riders
2. Gold Hill via Fourmile and Sunshine Canyons — Boulder
37.2km
03:27
1,040m
Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(2)
141
riders
Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
113
riders
Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
103
riders
5. Ward via Lefthand Canyon and Lee Hill — Boulder
60.5km
04:21
1,260m
Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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