Always, if you win mentally, you can win physically as well.
I know what I want when I start a marathon: to win! But what do you want? Make sure you're clear in advance and don't go out too fast.
You know, I want to help my country. Definitely I can help them, simply by winning races. Sure, they can follow my path to a good career. But for me it is not enough. I want to be more than that. In everything I want to be a role model.
You know the marathon in my country is just exceptional. It's like soccer in England. If England win the world cup and Ethiopia win the marathon - it's the same.
What is important is to win.
In the marathon a crazy athlete can just keep pushing from the beginning, at a championship you don't need a time just to win the race.