Brad Kearns tackles more interesting Q&A from Primal Endurance podcast listeners and book readers. Submit your questions at www.primalblueprint.com/endurance and they will get covered on the air.  While the questions relate to the specific needs of the individual, the answers are presented in a manner that applies to a broad audience. Listen and enjoy learning about the challenges and successes of your endurance peers, and come away with plenty of practical tips to help improve your training and competitive results.

Dan (?) Can you elaborate on what is a suitable domain for self-experimentation vs. the core principles that have remained unchanged in your routine over the past several years? Can you comment on the relative merit of Fartlek vs. occasional dedicated speed workouts?  [00:00:37] 

David Lapp asks whether one can still do long distance Ironman-length triathlons after age 50 and be healthy? [00:09:26] 

As I am learning to go with the low carb diet, will my fasting lead to not eating enough? [00:20:14] 

Thomas Peterson: Can you please compare and contrast the benefits of doing short speed work during a normal 180 minus age run vs. a dedicated speed workout? [00:29:31] 

Thomas also asks: What are the principles that we should never change come hell or high water? AND What are the aspects of fitness where we should feel free to experiment? [00:30:17] 

Dr. Ted asks "Do I need to add more speed work or race pace runs to help me finish better?" [00:37:16] 

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