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May 25, 2022

Marni Sumbal is a Board Certified Sport Dietitian holding a Master of Science degree in Exercise Physiology. She is the author of Athlete to Triathlete, The 365-Day Running Journal and Essential Sports Nutrition. Marni is the owner of Trimarni Coaching and Nutrition, a coaching and nutrition business aimed to help endurance athletes excel in sport without compromising physical and mental health. Marni is a 18x Ironman triathlon Finisher and has completed the Ironman World Championship 5x's in Kona, Hawaii. This past weekend she participated in her 6th Ironman World Championship in St. George Utah where she placed 5th in the 40-44 age group. She has won multiple triathlon and endurance events and has recently gotten into the sport of mountain biking. She lives in Greenville SC with her husband Karel, 4 cats and 14.5 year old dog Campy. When she's not working, she loves being outside in nature.