The best cycling routes around Boulder
4.6
(80)
4,539
riders
251
rides
Last updated: October 27, 2025
4.8
(4)
207
riders
1. The Dirty Bismark loop from Bobolink Trailhead — Boulder
38.4km
03:19
400m
400m
Expert bike ride. Good fitness required. You may need to push your bike for some segments of this route.
5.0
(2)
148
riders
2. Gold Hill via Fourmile and Sunshine Canyons — Boulder
37.2km
03:27
1,040m
1,040m
Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(2)
142
riders
3. Olde Stage Road, Lefthand Canyon, and 63rd Street loop — Boulder
45.6km
02:54
480m
480m
Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
119
riders
Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
99
riders
5. Ward via Lefthand Canyon and Lee Hill — Boulder
60.5km
04:21
1,260m
1,260m
Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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