Mobile Running Apps: What Do You Use?

I'm a bit of a geek about my gadgetry, Apps and such things! This morning I asked the following question on Twitter, to see what others use:

Your Choice of Mobile Running Apps...

Having been inundated with the many responses to my question, I thought I'd share a selection in today's blog post :)

Note Jan 2014: New and updated apps are constantly hitting the market, so I obviously foresee that this post will need to be updated in coming months...

Which do you use?

Feel free to leave your App recommendations in the comments section below...