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Effective coaching and nutrition strategies designed to help athletes achieve healthy habits and athletic excellence.
Select the Trimarni service that will help you reach athletic excellence.

Welcome to Trimarni
For the past 12 years, Marni and Karel have shared an active lifestyle together. During that time, they achieved many athletic accomplishments in the sport of triathlon and cycling which led them to turn their passion into a coaching and nutrition business in order to help athletes reach personal athletic goals. This husband and wife team continues to race at a high level, while dedicating their career to helping athletes of all levels, newbie to elite, maximize sport performance while keeping the body in great health.
Between them both, they have successfully finished 24 Ironman triathlons and have qualified for the Ironman World Championship in Kona, Hawaii a combined 10 times.
As highly dedicated athletes, Marni and Karel bring many years of practice, education and skills in their own athletic careers and apply that experience and knowledge to athletes of all levels. They strive to be good role models for their athletes and great ambassadors for the sport of triathlon.

Trimarni Philosophy
Our goal is to help athletes reach performance goals without compromising health.
We use effective coaching and nutrition strategies to help athletes achieve healthy habits and achieve athletic excellence.
We incorporate scientific research with practical ideologies and apply to real world settings to take current training and racing to that next level.
Let us help you perform at your best by giving you the personalized service that your body deserves.
REACH YOUR ATHLETIC POTENTIAL WITH TRIMARNI COACHING AND NUTRITION.
Here's how:
-Sport and Daily Nutrition
-Coaching- Custom
-Training Plans - educational team
-RETUL bike fit
-Group and private training camps
-Subscribe to our Newsletter
-Follow Trimarni on social media
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Breakfast tacos for dinner after a warm evening shake out run. #trimarni #triathlete #tacos… https://t.co/sOqqQhIACd
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Lessons learned from watching the @b_a_a_ : 1) never count yourself out, even when you don’t… https://t.co/aWUrFE7aqG
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Don’t wait until you are sick, injured or exhausted to take care of your body. If you want… https://t.co/Aq8SfqxDRU
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Finish lines feel AMAZING but without your good health, it's difficult to keep crossing them.… https://t.co/51ykwFTbQU