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Running Trails
United States
Washington
Whatcom County

Sudden Valley

The best running trails around Sudden Valley

103runs

5.0

(6)

1,170 people ran here

Running around Sudden Valley 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 Sudden Valley—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.

Railroad Trail loop from Larson Mill
Intermediate

01:03

9.94km

Intermediate

00:54

7.11km

Intermediate

00:42

6.51km

Intermediate

01:16

11.9km

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  1. Map data © OpenStreetMap contributors
    1
    1

    01:03

    9.94km

    6:22/km

    90m

    90m

    Intermediate

    31

    Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
  2. 2

    00:54

    7.11km

    7:35/km

    110m

    110m

    Intermediate

    15

    Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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  4. 3

    00:42

    6.51km

    6:30/km

    80m

    80m

    Intermediate

    12

    Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
  5. 4

    01:16

    11.9km

    6:27/km

    150m

    150m

    Intermediate

    11

    Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5

02:12

14.9km

8:53/km

680m

680m

Expert

7

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

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Last updated:
September 7, 2025

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

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