My name is redshift, and I'm not a runner.
This is a bit like me telling Andy Gates that I'm not a long-distance rider just after 80+ miles of riding in a torrential downpour on the way to Preston. I'm not. Really I'm not. I commute mostly by bike and do occasional longer rides, and on the occasions when I used to run at all doing sports, they were always short springy twisty things like sprints, rounders and netball.
So. At Xmas 2012 I caught flu. Badly. It left me with a coughing asthmatic wheeze that I haven't been able to shake, and it took until summer last year for me to be comfortable riding to work. I still have a reliever inhaler, just in case, but I reached a plateau on the commute and it hadn't improved.
Back in December I started the NHS C25K, with a fairly specific idea - I need to push my cardio system to the point where the improvement caused by running makes the breathing during cycling better. So far, it seems to be working - in the sense that I haven't actually died, and the 0500 shift last week and this (which is obligatory cycling commute due to no public transport at all) I found that I wasn't wheezing at the end of the ride.
I am stuck in Wk4, which is the first week with blocks of a whole 5 minutes of continuous running. I think I'll be here for a while, as it's not so much the legs or knees (surprisingly since I'm 47) but the breathing. Peak speed is crap, and it'll be a while before I'm running anything like the full 30 minutes - and it'll be after that that I extend it to the full distance - but it does seem to be working.
So I'm not a runner, but I am running, and it hasn't killed me yet.