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The apps and datafields linked on this website have been built as free apps and are released according to the terms and conditions of the GARMIN connect platform and web services. The author stands in no relationship to GARMIN or related companies. The apps and datafields have been tested by the author being a trained sportsman. The author is not responsible or liable in any manner for damage to your health or private goods as a result of using the apps or datafields. There is no guarantee that the content provided is correct and fault free. If you face any issues with the app, datafields or content of this website please feel free to contact garmin@eho-systems.com so we can solve this. Thank you!

80/20 Endurance

The "80/20 Training System" was invented by D. Warden and M. Fitzgerald www.8020endurance.com and zone calculation algorithm is based on their book "80/20 Triathlon: Discover the Breakthrough Elite-Training Formula for Ultimate Fitness and Performance at All Levels, 1. Ed, 2018, DaCapoPress, NY". The app was approved and created with the kind support of the authors. The logos are copyright by the authors. All rights reserved.