I have recently got back into running after a break for two and a half years. Now very unfit and overweight but enjoying slowly improving.
As a creature of habit i run the same 5km route from my home a couple of times a week. It is a reasonably hilly route. I alternate which way around the loop i run to add some variety. Where I am unfit, i have to walk for around 2 minutes up a steep hill. What I find interesting is that it takes me about 29 minutes to run around the loop in one direction, but i am nearly 1.5 minutes faster in the other direction, despite normally needing to walk a little more in that faster direction! I wondered if anyone else ever found that they were faster in a certain direction around a route and whether it is linked to my lack of strength or fitness, or more linked to the profile of the route?