The Genetics Of Great Runners Explained | Extra Mile
From UNTAPPED with Spencer Matthews
Published 6/11/2026
Are athletes born or built? This episode dives into the nature vs. nurture debate, exploring why the Human Genome Project proved there's no single gene for speed or disease, and why 99.1% of our DNA is identical.We break down how genes like ACTN3 can give elite athletes a head start in muscle…