4.9
(7)
1,542
runners
222
runs
Jogging routes in Summit County, Colorado, traverse a diverse landscape within the Rocky Mountains, west of the Continental Divide. The region features prominent ranges like the Gore Range and Tenmile Range, with elevations varying significantly. Runners can experience alpine grasslands, tundra, and extensive montane and subalpine forests of lodgepole pine, aspen, spruce, and fir. The terrain offers a mix of challenging mountain trails and more accessible paths along rivers and reservoirs.
Last updated: April 25, 2026
66
runners
10.2km
02:26
980m
980m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(1)
33
runners
20.5km
02:58
900m
890m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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27
runners
9.53km
01:07
70m
70m
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
20
runners
6.93km
00:59
420m
420m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
18
runners
30.1km
03:32
510m
510m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
19
runners
22.2km
02:45
420m
420m
Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
15
runners
8.14km
00:51
60m
60m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
13
runners
12.0km
01:30
220m
220m
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
11
runners
9.17km
02:59
890m
890m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
11
runners
8.10km
01:09
330m
330m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Summit County
Running Trails around Blue River
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Running Trails in Ptarmigan Peak Wilderness
Running Trails around Frisco
Running Trails around Dillon
Running Trails around Silverthorne
Running Trails around Keystone
The Colorado Trail โ Ten incredible days in the Rocky Mountains
The Dillon Nature Preserve offers a handful of recreational facilities and activities as well as a couple hiking trails. The preserve has multiple overlooks for Dillon Lake Reservoir and is also located just outside of Keystone on the Dillon Reservoir Recpath.
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Ten Mile Canyon has a few official trailheads. In Frisco, almost all commuter trail junctions are well-marked with trail signs and mileage markers.
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From the Dillion Reservoir Recpath there are great views of the south end of the Dillion Reservoir. The edge of the water is only a few feet away, and with the occasional tree obstructing the view, it is overall a great way to see the reservoir.
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Rainbow Lake is an easy accessible body of water off of the Peaks Trail in Frisco, Colorado. The water's edge serves as a pretty picturesque spot with high mountain peaks looming in the background. This area is known for having moose pass through on a semi-regular basis.
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Keystone Lake lies nestled against Hwy 6 in Dillon, Colorado. The lake is the site of ice skating and ice fishing in the winters and swimming, kayaking, and boating in the warmer months. The paved Snake River Trail runs right next to the water.
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The Dillon Nature Preserve is a popular summer and winter destination for hikers, XC skiing, snowshoeing, and fishing! There are numerous small paths that lead through wildflowers and take you down to the lake. The gravel road is plowed in the winter and this area is considered family friendly (including dogs)!
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Keystone Lake offers both summer and winter activities. In the winter you can ice skate, and in the summers you can kayak or rent a peddle boat. In the winters you can use one of the fire pits they have located on the shore and they even light up a tree out on the ice.
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This mine is currently not in operation, but you can peer through the barriers to see old cart tracks and appreciate the deep history of the area.
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Summit County offers a vast network of running trails, with over 190 routes available for jogging. These range from easy paths to challenging mountain ascents, catering to all experience levels.
Yes, Summit County has several easy running routes perfect for beginners. While specific easy routes aren't detailed here, the region's extensive trail networks include many gentler paths, especially along rivers and reservoirs. Look for trails with minimal elevation gain for a comfortable start.
For experienced runners seeking a challenge, Summit County offers numerous difficult trails. Consider the Quandary Peak Trail, a 6.3-mile route with significant elevation gain, or the Buffalo Mountain Loop, a demanding 12.7-mile path offering expansive views. Another option is the Ptarmigan Peak Trail, which features over 1100 meters of ascent over nearly 20 kilometers.
Absolutely. Many trails in Summit County are designed as loops, providing varied scenery without retracing your steps. A popular option is the Lakeshore Perimeter Trail Loop, a scenic 5.9-mile route around the reservoir. For a longer loop, the Dillon Reservoir Recpath Loop covers over 30 kilometers.
Summit County is renowned for its stunning Rocky Mountain scenery. Many running routes offer breathtaking vistas. The Mount Royal Trail provides excellent views, and the Buffalo Mountain Loop offers expansive panoramas across the county. The Sapphire Point Overlook, accessible from various trails around Dillon Reservoir, also provides incredible views of the Gore Range and Tenmile Range.
The terrain in Summit County is highly diverse, reflecting its location in the Rocky Mountains. You can expect a mix of alpine grasslands, tundra, and montane and subalpine forests. Trails range from well-maintained paths like the Summit County Recpath to rugged mountain trails with rocky sections and significant elevation changes. The Blue River and Tenmile Creek also offer paths through riparian zones.
Many trails in Summit County are dog-friendly, but it's always best to check specific trail regulations before heading out. Generally, dogs are welcome on leash on most public trails. Ensure you practice Leave No Trace principles and carry waste bags.
While running in Summit County, you'll encounter majestic natural features. You might see prominent peaks like Grays Peak or Torreys Peak in the distance. The expansive Dillon Reservoir is a central feature, with trails often running alongside it. You could also pass through historic areas like Boreas Pass or near mountain passes such as Kokomo Pass.
Summit County has a robust public transportation system, the Summit Stage, which can provide access to various trailheads, especially around towns like Breckenridge, Frisco, Dillon, and Silverthorne. Many popular trailheads also offer dedicated parking areas. It's advisable to check specific trailhead information for parking availability and public transport stops before your run.
The best time for jogging in Summit County is generally during the warmer months, from late spring through early autumn. The high-alpine climate offers pleasantly warm summers, ideal for outdoor activities. During this period, trails are typically clear of snow, and wildflowers are in bloom. Fall also brings stunning golden aspens, especially along routes like Boreas Pass Road.
The running trails in Summit County are highly rated by the komoot community, with an impressive average score of 4.9 stars from over 7 reviews. Runners frequently praise the stunning Rocky Mountain scenery, the diversity of terrain, and the well-maintained trail networks that offer options for all skill levels.
While popular trails can see significant use, especially on weekends, Summit County's extensive network means you can often find quieter routes. Exploring trails slightly off the main recreational paths or visiting during off-peak hours (early mornings or weekdays) can lead to a more solitary running experience. The Snake River Recpath offers a moderate option that might be less crowded than some of the major reservoir loops.
Elevation gain on running routes in Summit County varies significantly due to the region's mountainous topography. You can find routes with minimal gain, such as those along the Blue River, but many trails involve substantial ascents. For example, the Quandary Peak Trail has nearly 1000 meters of elevation gain, while the Peaks Trail involves over 400 meters of climbing.


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