Maximizing Training Gains
Phil and Jason discuss the benefits of incorporating high-end speed work into training, while emphasizing the importance of a powerful aerobic system for endurance athletes. They also explore the psychological aspect of increasing speed during long runs and the potential for marginal gains in training adaptations.In this clip
From this podcast

The Strength Running Podcast
330. How to Improve the 3 Running Thresholds (Z2, LT, and VO2 Max), with Phil Batterson, PhD
Related Questions
Why do endurance runners spend most of their time in zone 2?
Why do endurance runners spend most of their time in zone 2 in the episode 330. How to Improve the 3 Running Thresholds (Z2, LT, and VO2 Max), with Phil Batterson, PhD and the clip Maximizing Training Gains?
Why do endurance runners spend most of their time in zone 2 in the episode 330. How to Improve the 3 Running Thresholds (Z2, LT, and VO2 Max), with Phil Batterson, PhD and the clip Practical Training Tips?