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]
Honestly it sounds terrible even for someone who is well-trained.
And I suspect anyone attempting it is going to be very well-trained.