Markus Marthaler

Saarbrücken, Germany

• Active 1d ago

Bio: Hi I am Jan Wolfgarten, former world-class distance swimmer turned expert coach. Let's crush your swim goals together! 🏊‍♂️🥇

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@markus-marthaler-1795

I am Markus Marthaler from Switzerland, I was once a professional swimmer, competing at both national and international levels.

Active 1d ago

Joined Mar 27, 2024

Switzerland