I'm not keen on running, and nor are my knees, but cycling seems to make a difference for me. The trouble there is finding a good time to go fast enough to get my heart rate up before I start mowing down people walking their dogs.
I know that what I really need is technique, but what I'm trying to do is give myself a fighting chance of staying on a wall long enough to learn some. I really will be back down at the baby stuff, and that's always discouraging. Still, if there were a quick fix, we wouldn't be doing it.