I don't know about creative thinking ... but consistent walking sure as hell helped jump-start my running life. Here's my little story. I'm 37 and was never a runner, but last October a friend dragged me out for a run. We ran a 5K straight-up (at ~6m:30s/KM). It's not a "couch to 5K", as I'm lean and bicycle a lot ("zone 2" cardio) as part of my daily life, eat healthy, and put in many walks and some hikes over the p…
Fyi: you might want to add the "half" word from earlier in your post into this sentence as well. 2 hours is a very respectable half marathon pace. For a full marathon, it's Olympian!
Glad to hear you're enjoying running. I also transitioned from "long walks almost every day" to "wow i can actually run pretty well" and I have just one piece of advice...
Don't get too into the stats. It's much more fun if you don't agonize over the optimizations, IMO.
Oh, and if you normally trail run with headphones and listen to music or podcasts, every once in a while try going without the headphones. I find I have my best ideas on runs where all I can hear is nature.