Junk miles are time spent training that is either a waste of your time or even worse, actively making you slower. Is there an intensity or type of training that can be considered junk miles and is riding like this hurting your progress? I dive into the science to try to come up with an answer.

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Studies used in this video:
https://journals.humankinetics.com/vi...

https://journals.physiology.org/doi/f...

https://www.ncbi.nlm.nih.gov/pmc/arti...

https://journals.lww.com/acsm-msse/Fu...

https://journals.lww.com/nsca-jscr/Fu...

https://journals.humankinetics.com/vi...

https://www.frontiersin.org/articles/...