Introduction

Interval work is hard, but many of us push through it knowing that the short-term discomfort and sacrifice is going to produce big gains in the long term. Many of us latch on to hitting a specific number or percentage of VO2 max. Is that truly the way to measure your interval work? Dr. Steven Siler talks about how effective training is ultimately about producing the biggest adaptive signal with minimal costs. Joining Dr. Siler will hear from several top coaches talking about how they determine if their athlete's work was effective.