I'm preparing for running a 30 km road race (18/19 miles) in two months.
For the moment I have achieved 21 km, twice last year and once this year (last week end).
I have been advised not to increase the running distance more than 10% each for each long run ( each week end for me). That means I plan something like running 22km, 24km, 26km, 28km, 30km, in the next week ends.
I wonder if is it considered harmfull to run a half-marathon each week end ? Does it make the possibility of injury higher ? Is it irresponsible for a training plan ?
Beside, during the working week, I run 3 times, 5 km.