1. Books:

• "Training for the Uphill Athlete" by Steve House, Scott Johnston, and Kilian Jornet

  • Offers a comprehensive guide to endurance training, with an emphasis on the benefits of Zone 2 training.

• "The Big Book of Endurance Training and Racing" by Dr. Philip Maffetone

  • Introduces the Maffetone Method, which emphasizes aerobic base building through Zone 2 training.

2. Online Articles:

• "The Science of Zone 2 Heart Rate Training" by TrainingPeaks

  • Provides an in-depth explanation of Zone 2 training and its benefits for endurance athletes.

  • Read it here

• "Why You Need to Run Slow to Race Fast: The Benefits of Zone 2 Training" by Runner's World

  • Discusses the importance of low-intensity training and how it contributes to faster race times.

  • Read it here

3. Podcasts:

• "The Drive" by Dr. Peter Attia

  • Episodes often delve into the science of longevity, including discussions on Zone 2 training and its role in cardiovascular health.

  • Listen here

• "That Triathlon Show" by Mikael Eriksson

  • Provides insights on endurance training with several episodes focused on the benefits of Zone 2 training.

  • Listen here

4. YouTube Channels:

• Global Cycling Network (GCN)

  • Features videos explaining the basics of heart rate zones, including Zone 2, and how to apply them to cycling workouts.

  • Watch it here

• Florent Schramm

  • A channel that focuses on endurance training, including several videos dedicated to Zone 2 training.

  • Watch it here

5. Scientific Research:

• "Physiological Bases of Zone 2 Training: A Review" by European Journal of Applied Physiology

  • This review discusses the physiological mechanisms that make Zone 2 training effective for endurance athletes.

  • Available via academic journal databases like PubMed or directly from the journal's website.