I am interested in running 1 hour and 20 minutes, which is the fastest runner, and use patience, what is interesting in running a marathon and I would like to practise han 10 k time of 40 minutes with the guys.
I was interested to run for one hour 20 minutes and is the fastest runner and endurance is what to do in the marathon runner's Twelve. And I want to practice running the 10 kilometers in 40 minutes as well.