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About the channel
Running performance is not guesswork. For over 30 years, Richard Diaz has worked with endurance and hybrid athletes to refine running mechanics, VO₂max efficiency, and sustainable performance under load — where precision determines outcome. Founder of Diaz Human Performance and author of RUN.
Latest videos
Running Form Is More Than Foot Strike: The 10 Parts of Movement
1.08K views · 09/22/2026
“Zone 2 Isn’t the Problem. How We’re Using It Is.”
687 views · 08/20/2026
How Champions are built
561 views · 03/09/2026
"When effort isn't enough, and Training Harder stops working".
589 views · 02/12/2026
The Missing Solution for Runners
673 views · 01/21/2026
Why Most Runners Stay Injured (When They Believe They’re Doing Everything Right)
2.56K views · 01/09/2026
Latest Shorts
Running Mechanics- The reality of what makes a great runner #runner #hyrox
837 views · 08/11/2026
New Audiobook for RUN.
385 views · 07/09/2026
A great performance begins with a guess… #trainsmarter #athlete #trainsmart
1.57K views · 05/06/2026
Hitting the Wall? #hybridathlete #hyroxathlete #runners #marathonrunning
1.28K views · 04/30/2026
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