118. Kilian Jornet's UTMB Training Data, Heart Rate Zones, and Self-Worth in Sports!
Some Work, All Play
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Runners Training - Is Zone Two a Good Thing?
Every endurance athlete that has been at a high enough level enough to be tested, has that much in zone one. Zone two is more of a free for most people because it's not coming with mechanical risk. In zones four and five you go mostly easy, some moderate and a very little bit hard. As we're going morento hal athletes actually train, they're spending a lot of time in zones three and lo zone four rather than pushing zone four and zone five.
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