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Grand County

Grand County

The best running trails in Grand County

179

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runs

Running in Grand County 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 in Grand County—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: November 15, 2025

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1. Fraser River Trail run — Fraser, Colorado

7.77km

00:56

50m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

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2. Mount Flora run — Arapaho National Forest

10.0km

01:42

540m

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Hard

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3. East Inlet Trail to Lone Pine Lake run — Rocky Mountain National Park

17.1km

02:13

520m

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

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4. Shadow Mountain Lake via East Shore Trail run — Rocky Mountain National Park

9.29km

01:11

150m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

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5. Cascade Creek Trail Run In & Out — Indian Peaks Wilderness Area

22.6km

03:00

590m

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Hard

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6. Monarch Lake loop run — Indian Peak Wilderness

6.64km

00:49

80m

Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Hard

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7. Chainsaw and Flume Trails run — Arapaho National Forest

9.54km

01:20

100m

Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Hard

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8. Mount Ida run — Rocky Mountain National Park

15.2km

02:15

700m

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

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9. Byers Peak run — Byers Peak Wilderness

14.0km

02:15

820m

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

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10. Second Creek Trail to Twin Cones run — Arapaho National Forest

7.70km

01:17

420m

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Most popular routes in Grand County

Waterfall hikes in Grand County

Hiking in Grand County

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Easy hikes in Grand County

Cycling in Grand County

Gravel biking in Grand County

Most popular attractions in Grand County

Places to see

Natural Monuments

Mountain Peaks

Lakes

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Didn’t find what you were looking for?

Check out more Running Trails & Routes throughout Grand County below and find the perfect route in your destination.

Byers Peak Wilderness Grand Lake Indian Peaks Wilderness Arapaho National Recreation Area Vasquez Peak Wilderness Tabernash Winter Park Fraser Never Summer Wilderness

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Browse the best Running Trails & Routes in other regions.

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The best running trails in Grand County

1. Fraser River Trail run — Fraser, Colorado

2. Mount Flora run — Arapaho National Forest

3. East Inlet Trail to Lone Pine Lake run — Rocky Mountain National Park

4. Shadow Mountain Lake via East Shore Trail run — Rocky Mountain National Park

5. Cascade Creek Trail Run In & Out — Indian Peaks Wilderness Area

6. Monarch Lake loop run — Indian Peak Wilderness

7. Chainsaw and Flume Trails run — Arapaho National Forest

8. Mount Ida run — Rocky Mountain National Park

9. Byers Peak run — Byers Peak Wilderness

10. Second Creek Trail to Twin Cones run — Arapaho National Forest

Most popular routes in Grand County

Most popular attractions in Grand County

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