The best running trails around Sugarloaf
4.4
(12)
2,970
runners
58
runs
Last updated: October 23, 2025
5.0
(1)
38
runners
1. Betasso Preserve loop
5.27km
00:41
130m
130m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
28
runners
2. Green Mountain West Ridge Trail — Boulder Open Space & Mountain Parks
6.85km
00:53
150m
150m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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10
runners
3. Benjamin Trail loop — Betasso Preserve
6.08km
00:49
180m
180m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
8
runners
4. Bear Peak West Ridge Trail — Boulder Open Space & Mountain Parks
14.4km
02:05
550m
550m
Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
2
runners
5. Forsythe Canyon Trail to Gross Reservoir — Roosevelt National Forest
3.89km
00:26
100m
100m
Intermediate run. Good fitness required. Mostly accessible paths. Some sure footedness required.
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