John Mayfield

John is a USA Triathlon Level II and Ironman U certified coach who has been working with athletes since 2009. He has competed in more than 50 events, including sprint, Olympic, 70.3, and Ironman distances. He is a six-time Ironman finisher.

John serves as TriDot’s vice president of athlete services. John has had the privilege to work with hundreds of athletes ranging from first timers to professionals and everyone in between. John coaches all triathlon distances but specializes in working with athletes racing 70.3 and Ironman distances at all North American Ironman events and travels to the majority of Ironman races in the U.S. each year to support TriDot athletes.

John transitioned to a career in triathlon after 17 years in the banking industry, so he understands the constraints of busy professionals and what is necessary to achieve high level goals while maintaining life’s priorities. He and his wife, Nicole, have three teen-agers: Claire, Jacob, and Bella.

“Perfection is not required, but consistency is an athlete’s best friend.”

Patents applied for in the U.S. and abroad. Trademarks of Predictive Fitness, Inc. include nSight, TriDot, SwimDot, BikeDot, RunDot, TrainX, RaceX, Physiogenomix, EnviroNorm, eNorm, IronIndex, Optimized Triathlon Training, Normalized Training Stress, NTS, and Training Stress Profile.

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