Ralph Castelberg
Ralph Castelberg ActivePeople ¦ Training - Therapie - Coaching
Ralph Castelberg
Level 1 Coach

Level 1 coaches have passed the TrainingPeaks accreditation course and have shown that they have the knowledge and skill to help you reach your goals.

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TrainingPeaks Certified Coach Level 1
Ralph Castelberg ActivePeople ¦ Training - Therapie - Coaching

Liebefeld , Switzerland


English, German

Sport Types
  • Triathlon
  • Running
  • Duathlon
  • Personal Training
  • 1-on-1 Coaching
  • Consultations
  • Local Coaching
  • Remote Coaching
  • Strength Training
  • Run Analysis
  • Swim Analysis
  • Biochemical Analysis
Athlete Requirements
Athletes on all Levels are welcome. I Train Atheltes from Beginners up to Professionals. Powermeters are desired but not manantory. Distance Olympic to Ironman
Meet Your Coach
Ralph Castelberg
TrainingPeaks Certified Coach Level 1
Ralph Castelberg ActivePeople ¦ Training - Therapie - Coaching
Liebefeld Switzerland 3097
Coach Bio

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 50 Ironman and Half 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 25 Ironman and over 15 Ironman 70.3
Finisher of several UltraMountainRuns as SwissAlpineMarathon K78
Finisher of several Xtreme Triathlons as AXTRI (No) or Inferno Tri (CH)
3 Times Finisher Ironman 70.3 WC
Finisher Ironman WC 2023 Nice

Preferred Athlete Levels
Beginner, Intermediate, Advanced, Professional
Have a question? Contact me.

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