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Routes
Running Trails
United States
Colorado

Larimer County

Routes
Running Trails
United States
Colorado

Larimer County

The best running trails in Larimer County

394runs

4.3

(7)

3,720 people ran here

Running in Larimer 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 Larimer 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.

Bobcat Ride Trail Run Loop
Expert

02:14

14.2km

Deer Mountain Trail Run Loop – Rocky Mountain National Park
Expert

02:16

16.8km

Bear Lake & Fern Falls Trail Run Loop – Rocky Mountain National Park
Expert

02:36

18.7km

Mount Ida run — Rocky Mountain National Park
Expert

02:15

15.2km

Frank State Wildlife Area loop via Poudre River Trail — Weld County
Intermediate

00:35

5.66km

Bent Rock Trail Run Loop – Red Mountain Open Space
Intermediate

01:23

11.2km

Mount Margaret Trail Run Loop — Red Feather Lakes
Intermediate

01:18

11.1km

Hollewell Park Trail Run Loop – Rocky Mountain National Park
Expert

01:57

15.3km

Lulu City via Grand Ditch and Little Yellowstone Trails run — Rocky Mountain National Park
Expert

01:49

12.8km

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  1. Map data © OpenStreetMap contributors
    1
    1

    Bobcat Ride Trail Run Loop

    02:14

    14.2km

    9:26/km

    480m

    480m

    Expert

    4

    Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
  2. Map data © OpenStreetMap contributors
    2
    2

    Deer Mountain Trail Run Loop – Rocky Mountain National Park

    02:16

    16.8km

    8:04/km

    510m

    510m

    Expert

    5

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

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  4. Map data © OpenStreetMap contributors
    3
    3

    Bear Lake & Fern Falls Trail Run Loop – Rocky Mountain National Park

    02:36

    18.7km

    8:19/km

    900m

    900m

    Expert

    5

    Expert run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
  5. Map data © OpenStreetMap contributors
    4
    4

    Mount Ida run — Rocky Mountain National Park

    02:15

    15.2km

    8:53/km

    700m

    700m

    Expert

    5

    Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
  6. Map data © OpenStreetMap contributors
    5
    5

    Frank State Wildlife Area loop via Poudre River Trail — Weld County

    00:35

    5.66km

    6:10/km

    10m

    10m

    Intermediate

    2

    Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
  7. Map data © OpenStreetMap contributors
    6
    6

    Bent Rock Trail Run Loop – Red Mountain Open Space

    01:23

    11.2km

    7:26/km

    210m

    200m

    Intermediate

    1

    Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
  8. Map data © OpenStreetMap contributors
    7
    7

    Mount Margaret Trail Run Loop — Red Feather Lakes

    01:18

    11.1km

    7:01/km

    140m

    140m

    Intermediate
    Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
  9. Map data © OpenStreetMap contributors
    8
    8

    Hollewell Park Trail Run Loop – Rocky Mountain National Park

    01:57

    15.3km

    7:40/km

    390m

    390m

    Expert
    Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
  10. Map data © OpenStreetMap contributors
    9
    9

    Lulu City via Grand Ditch and Little Yellowstone Trails run — Rocky Mountain National Park

    01:49

    12.8km

    8:35/km

    290m

    290m

    Expert
    Expert run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Map data © OpenStreetMap contributors
10
10

Lake Estes loop from Estes Park

00:58

9.19km

6:18/km

90m

90m

Intermediate

138

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

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Discover more routes around Larimer County
Last updated:
September 4, 2025

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

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Didn’t find what you were looking for? Check out more Running Trails & Routes throughout Larimer County below and find the perfect route in your destination.

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