Well - I originally put 'James Corden and I have just done it' but hastily re-wrote!
YES! 27th run. Helped by Desert Island Discs and the support and very welcome and sage advice of this community.
Thank you.
And now I need a new target - don't want to lose the momentum. According to mapometer, I ran (I use the term loosely) 2.58 miles, 4.15k. I guess the target is 5k. C25k does what it says on the tin. x