Harrisson’s excellent article on the sub 3 hour marathon target, brings us to the very clear point that something has to change when there is no progress. However, it needs to be asked, how many times should you hit your
Improvement – Simplified
Harrisson’s excellent article on the sub 3 hour marathon target, brings us to the very clear point that something has to change when there is no progress. However, it needs to be asked, how many times should you hit your