Ralph Castelberg
Ralph Castelberg ActivePeople Coaching Have a Question? - Contact Me Contact Me

Ralph Castelberg   ActivePeople Coaching




English, German

Sport Types

Triathlon, Running, Duathlon, IRONMAN, Personal Training

Preferred Athlete Levels

Beginner, Intermediate, Advanced, Professional


I'm a Triathlete and Certified Ironman Coach from Switzerland. My work is not only Coaching, but also Sportphysio and Medical Athletic Coaching.
Over 25 years of experience in Triathlon and Ironman Race my self with over 20 Ironman Finish.
More then 10 years of coaching knowlege
As a Certified Medical Athletic Coach MAC and Medical Specialist for Runners do i also have some knowledge how to create a trainingsplan to get stronger back to sport with or after some injuries.

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Born 1979 in Switzerland.

Active Triathlete since 1994 - Ironman Racing since 2001
Professional Snowboard Athlete from 1999-2005

Medical Trainings Coach (MTL) since 2006
Medical Masseur with Sportphysio knowledge since 2006
Personaltrainer since 2007
Triathlon Coach since 2008
Ironman Certified Coach since 2015
Medical Athletic Coach since 2016
Medical Specialist for Runners since 2016

Best Ironman Result:
Overall 6th in Los Cabos, MX 2017 - Age Group 3th

Best Challenge Result:
Overall 9th in Wanaka, NZ 2007 - Age Group 1th

Finisher of over 20 Ironman and over 10 Ironman 70.3
Finisher of several UltraMountainRuns as SwissAlpineMarathon K78
Finisher of several Xtreme Triathlons as AXTRI (No)

Owner of ActivePeople Training & Therapie in Switzerland (www.activepeople.ch)
Funder of the ActivePeople Endurance Team (www.endurance-team.c


1-on-1 Coaching, Consultations, Local Coaching, Remote Coaching, Strength Training, Run Analysis, Swim Analysis, Biochemical Analysis

Have a question? Contact me.

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Schwarztorstrasse 87