Can working too some distance be unhealthy on your well being?

Ever since I introduced in my earlier column that I’m coaching for a part marathon, pals stay asking me whether or not a complete marathon is up subsequent. My solution is all the time the similar – no method. While working 21 kilometres turns out a manageable problem, working 42 simply feels self-punitive. But all of this inquiring has me questioning whether or not there may be an upside – or drawback – to longer races.

Research on this space is scant, however a couple of research do point out declining returns, or even some proof of damage.…