Hello, I'm a 16yr old track runner who is looking to make intense gains in the mile this year, and I had a few questions on cordygen5. :yup:
I understand that cordygen increases your oxygen capacity but does it naturally increase it too? Like say I take can run 8 miles at 7 min pace. I take...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.