The best running trails around Keystone
22
runners
3
runs
Running around Keystone is one of the best ways to explore more of this region. To help you discover the most beautiful places to run, we’ve reviewed our full collection of routes around Keystone—and are proud to present the best running trails. Click on any of the routes for more details and browse real tips and photos uploaded by other runners.
Last updated: October 31, 2025
1
runners
1. The Lost Trails loop & Center Lake Overview run — Custer State Park
4.33km
00:34
120m
120m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Intermediate
2. Cathedral Spires Trail run — Custer State Park
2.34km
00:20
150m
150m
Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Intermediate
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18
runners
3. Iron Mountain loop from Keystone
31.0km
03:35
700m
700m
Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Expert
4
runners
4. Running loop from Keystone
4.98km
00:36
80m
80m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
Easy
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Most popular routes around Keystone
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