I'm fortunate to live near a wood that's accessible enough to have various paths that are perfect for running, some well-worn and straight and others more secret and challenging, and large enough so that it's rare to see another soul (a blessing for those of us not yet loud and proud to be seen in our running gear).
However, the biggest bonus is that I can have my dog off lead. He's only wee (a border terrier) so has to either trot along to keep up with me or have serious sprints to catch up when he stops to sniff around - and he's loving C25K. I'm only up to W5 but, in looking for ways to keep at bay the nagging self-doubts about whether someone my age (50) and size (87kg) can ever become a 'real' runner, I've come up with the image of me completing 30 mins - and then 5k - with my happy dog having to run, rather that trot, beside me every step of the way to keep up.
Of course, when it happens, the difference between us that he'll still be raring to go at the finish!