About Us

Who We Are

80/20 Endurance LLC is the world's largest dedicated provider of training plans and solutions for endurance athletes. The company's mission is to make elite best practices in endurance training available to everyone. More than just a training method, 80/20 Endurance is a global community of likeminded athletes who are brought together by a diverse array of offerings that include books, a podcastvirtual conferences, a charitable foundation, education, and more. The company's training methods are built on the optimal intensity balance and other empirical principles outlined in the co-founders' best-selling books 80/20 Running and 80/20 Triathlon.

Matt Fitzgerald

Co-founder Matt Fitzgerald is an acclaimed endurance sports coach, nutritionist, and author. His many books include The Endurance Diet, 80/20 Running, and How Bad Do You Want It? Matt’s writing also appears regularly in magazines and on websites such as Women’s Running and outsideonline.com. His online training plans have helped thousands of athletes of all experience and ability levels achieve their goals. Certified by the International Society of Sports Nutrition, Matt has consulted for numerous sports nutrition companies and he is the creator of the Diet Quality Score (DQS) smartphone app. A lifelong athlete, he speaks frequently at events throughout the United States and internationally. Matt can be reached at matt@8020endurance.com.

8020 Endurance - Co-founder Matt Fitzgerald

Matt Fitzgerald

8020Endurance - Co-founder David Warden

David Warden

David Warden

Co-founder David Warden is an internationally recognized coach and author. His clients include World Age Group Duathlon champions, Guinness World Record triathlon holders, and multiple Ironman World Championship qualifiers. He is the co-author of Triathlon Science, the industry standard for triathlon coaches and academics and 80/20 Triathlon with Matt Fitzgerald. His athletic resume includes 46 first place overall wins in triathlon and duathlon, including the 2x USAT Regional Sprint Triathlon Champion (2011, 2016). He has finished as the top American at the Mallorca Ironman 70.3, Abu Dhabi International Half, and Balearic Championships. David is every bit as handsome, but not nearly as tall, as his photo suggests. He can be reached at david@8020endurance.com.

8020 Endurance - Director of Training Leyla Porteous

Leyla Porteous

Leyla Porteous

Director of Training and Operations Leyla Porteous oversees existing and new training products and services. She is a lifelong swimmer, a rite of passage for the native Australian. She has a Bachelor of Science in Health Promotion, an MBA, and is an Ironman University and USAT Certified Triathlon Coach. Leyla has completed numerous endurance events around the globe, including the Ironman World Championships in Kona, the 70.3 World Championships in Australia, and representing Australia at the Triathlon Age Group Championships in Chicago. When not working on training plans or with athletes you'll find Leyla trying to convince Matt and David that all our athletic kits should be fluorescent. You can reach Leyla at leyla@8020endurance.com.

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Luke Holzschuh

Luke Holzschuh

Athlete Support Representative Luke Holzschuh oversees all our 8020 Endurance athletes. Luke manages our different training platforms and makes sure all our athletes are happy and ready to tackle their training plans. He has a passion for health, fitness and helping others achieve their goals. He has a Bachelor’s degree in Business Administration and a Master's in Education. Luke has completed multiple marathons, triathlons, spartan races and CrossFit events. Currently Luke is training for a few marathons. When Luke is not answering emails or setting up new training plans for our athletes you can find him spending time outdoors with his wife and two boys. Luke can be reached at luke@8020endurance.com

Steph Christensen

Assistant Coach and Platinum Subscription Manager Steph Christensen provides coaching services to 80/20 Endurance Platinum Subscribers. Steph has a Master’s Degree in Exercise Science, is a USA Triathlon Level 1 Certified Coach, 80/20 Endurance Certified Coach, and a Certified Sports Nutrition Advisor. Steph has coached a wide variety of endurance athletes for more than 12 years. Steph’s athletes range from beginners to Xterra and Ironman 70.3 World Championship Qualifiers, Boston marathoners, Cyclist and MTB riders. An endurance athlete herself, Steph has competed in multiple half and full Ironman triathlons, off-road triathlons, marathons, long distance cycling, and mountain biking events. When Steph isn’t coaching or enjoying her own endurance training, she can be found doing Uber shifts for her 3 cute kids.

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Steph Christensen

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