Holding down Shift down all the time is not the way to go.
I would like to switch running on or off with (x) or something.
Also while you are at it, could we make the stamina-meter a little slower?
That way we could run for further distances while it needs longer to charge up.
My guess is, at this stage it is a very short duration sprint but talent points will be able to increase it. Just a guess though!
Having a button to switch between running and walking (a toggle button) would not be a bad idea. I will research this to see what we can do.
As for skills - yes, there will be athletics skill.