One example: https://en.wikipedia.org/wiki/Couch_to_5K 9 weeks. I have basic fit...

hnick 39 days ago | parent | context | favorite | on: Cardio fitness is a strong, consistent predictor o...

One example: https://en.wikipedia.org/wiki/Couch_to_5K

9 weeks. I have basic fitness but have never been close to completing a 5km run (I think I finally realised I have breathing issues - seeing an ENT soon).