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Sonja Birch

@axex1973
United States of America • Rock climber
  • Member since: 2020
  • Following: 0
  • Followers: 0

My website/blog

Climber Performance Rating (CPR) Timelines

For help understanding the CPR timeline chart see the CPR timeline explained article.

Sport timeline (ascents)

grade pyramids

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Climbs with

Have you climbed with Sonja Birch? Don't forget to mention @axex1973 when logging your ascents

Activity

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