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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.
You are always welcome to make changes to your ratings by submitting a new rating on the page for each trail or ride.

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

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Where Dirk Bikes

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