Brian MacKenzie is a human performance specialist, and author of the book Power Speed Endurance.
Brian Mackenzie, human performance specialist, marathoner, ultra-marathoner, and trainer joins the DTFH!You can learn more about Brian on his website.This episode is brought to you by: BetterHelp - Visit to find a great counselor and get 10% off of your first month of counseling! Squarespace - Use offer code: DUNCAN to save 10% on your first site. Purple - Visit and use promo code DUNCAN for $150 Off any mattress order of $1500 or more!
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1 hour, 22 minutes
Podchaser Creator ID logo 225205