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We're updating our difficulty ratings to make them easier to understand. You may notice some slight changes to the ratings that you have provided.
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Dirk Zelf

Groningen, Not set (Netherlands)

Member Since
Nov 9, 2016
Last Visit: 2 days ago
0 Points Details

Personal / Fav Site

Trail Favorites List View All 6

2.3 mi 3.7 km Upper Winter Creek Trail
Sierra Madre, CA
2.3 mi 3.7 km Sierra Madre, CA
10.4 mi 16.8 km Marshall Canyon
La Verne, CA
10.4 mi 16.8 km La Verne, CA 85 
2.4 mi 3.8 km Sunset Ridge Trail
Altadena, CA
2.4 mi 3.8 km Altadena, CA 22 
14.2 mi 22.8 km Backbone Trail: Will Rogers to Temescal Ridge
Santa Monica, CA
14.2 mi 22.8 km Santa Monica, CA 43 
22.0 mi 35.4 km Sullivan-Yedvarts-Cheney-Backbone
Santa Monica, CA
22.0 mi 35.4 km Santa Monica, CA 20 


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Where Dirk Bikes

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