The 'crazy' running challenge pushing people to their limits [run 1 km day 1, 2 km day 2, etc., cumulatively]
The 'crazy' running challenge pushing people to their limits [run 1 km day 1, 2 km day 2, etc., cumulatively]
C25K compressed into 5 days is impossible if you’re starting from the couch.
I think this is more about what happens when you get up to marathon lengths everyday.