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.