The best running trails in Jefferson County
43
runners
9
runs
Last updated: September 18, 2025
17
runners
1. Keystone tunnel under the road loop from Whitehall
12.5km
01:29
460m
Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
runners
2. Mount Helena loop from Last Chance Gulch
5.45km
00:52
320m
Expert run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
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6
runners
3. Running loop from Helena West Side
3.91km
00:27
10m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5
runners
4. Running loop from Mansion District
10.4km
01:23
390m
Expert run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
4
runners
5. Lime Kiln Ruins loop from Last Chance Gulch
6.31km
00:46
160m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
runners
6. Mount Ascension loop from Last Chance Gulch
9.86km
01:17
310m
Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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