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2017 Trimarni coaching - apply now!


If you are reading this blog, there's a good chance you already know a lot about us.

You know that we are full-time triathlon coaches and that we specialize in coaching endurance triathletes.

We are also experts in sport nutrition (Marni) and cycling/bike fitting (Karel).

You can ask Karel to help you with your diet but you will probably get no help....

Unless you like beer. 

We are serious about our coaching and helping our athletes optimize performance. 



  But we also believe that the sport of triathlon should be fun and that every athlete deserves to be part of a great triathlon family.
You know we love to eat, we love to travel and we love Campy.
(You probably don't know that we have two cats and that's because Campy gets all the attention) 

First paws across the line!

You probably know that we raced together in Kona last year at the 2015 Ironman World Championship.
And this year, we both had huge PR's at Ironman Austria (9:13 for Karel, 10:06 for Marni).


I achieved my season race goal of placing on the podium at Ironman Austria.

And Karel did it 8 weeks later at Ironman Mont Tremblant.


 We also hold several triathlon training camps throughout the year, where our campers can learn, be challenged and break away from the normal stressors of life to focus on swim/bike/run/eat/sleep in order to improve skills and to take fitness to that next level. 




But just in case you need a little refresher on who we are at Trimarni Coaching......
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Marni and Karel are a husband and wife team who specialize in endurance coaching. They are dedicated to helping newbie, experienced, elite and professional athletes maximize sport performance.

Between them both, they have successfully finished 17 Ironman triathlons and have qualified for the Ironman World Championship six times.

Currently, Karel is training for his 2nd Ironman World Championship and Marni will be enjoying her 5th trip to Kona for the IM World Championship as a first time spectator.
Don't worry - she is trained and fit and ready to spectate on the big island. 

Marni is a board certified dietitian with a Master of Science in exercise physiology. She specializes in endurance triathlon coaching and nutrition, race planning and execution, individualized sport nutrition, training and racing fueling and hydrating planning, nutritious daily eating, plant strong diets, body composition changes and helping athletes improve their relationship with food and body image.
She is also a qualified speaker and experienced writer.

Karel is a skilled bike mechanic with a precise eye for detail. He has decades of experience in the bike industry. Karel is an experienced RETUL bike fitter and provides a wealth of knowledge to age group and professional athletes in the areas of triathlon training and racing, cycling skills, equipment/gear choices and appropriate bike fits.
As a former cat 1 cyclist, with no swimming or running background, Karel is now an  accomplished endurance triathlete who recently finished IMMT with the fastest male amateur run split of 3:08. And, he now actually likes to swim (well, sometimes).

  As elite athletes, Marni and Karel bring years of practice, education and skills in their own athletic careers and apply that experience and knowledge to athletes of all levels.


Trimarni philosophy:
Our goal is to help athletes reach performance goals without compromising health.
We incorporate scientific research with practical ideologies and apply to real world settings so that we can take your training and racing to the next level.
Let us help you perform at your best by giving you the individual and personalized services that you and your body deserve. 

If you are an endurance triathlete who is interested in being coached by Marni and Karel for your 2017 triathlon season and you want to be part of the Trimarni coaching team, here's your one-time chance for next season....