I am taking this programme a bit slower than average - I have found it best to have 2 days in between each run so 3 runs every 9 days not every 7 days - so I reached the dreaded 20 min run yesterday - amazed to say it didn't seem quite as bad as I thought - I am sure all the assurances in these posts helped a lot because I believed it was possible.
And now I know I can do a longer run I have no excuses any more - my geek son says its the Harry Potter patronus thing - he knew he could do it because he'd already done it.
The main problem was having to trot around in a circle getting a doggy poo bag out and trying to scoop on the move - my dog thought it was a good game but I'm sure the walkers in the park thought I was an escaped nutter - but I was scared to stop in case I didn't start again.
Onward and upward - I see that a lot of people find week 6 harder.