Mixing Training Intensities
Brady emphasizes the importance of varying training intensities, suggesting that mixing in sprints during zone two runs can enhance enjoyment and benefits. Jason adds that easing into a run is natural, and it's unrealistic to strictly adhere to heart rate zones. The key takeaway is to not stress if your heart rate drifts into higher zones during an easy run; it's all part of the process.In this clip
From this podcast

The Strength Running Podcast
Zone 2 Myths, Heart Rate vs. Effort, Heat Training, and Zone 3 with Brady Holmer
Related Questions
What are the heart rate Zone Two (Z2) zones for running?
Should I focus on Zone 2 or heart rate training to increase my ability to run faster and improve my average pace?
Can you explain zone two heart rate as discussed in the episode Zone 2 Myths, Heart Rate vs. Effort, Heat Training, and Zone 3 with Brady Holmer and the clip Understanding Zone Two?