Hi DrToonz ! I love reading your recovery story. So excited for you and the 5K walk at 3 months (I am crossing my fingers that you will be able to do it !). At this point, I cannot imagine it for myself at the 3 month mark, but maybe at 6 months.
For me, the swelling in my legs (after both THRs - one in October last year, and one almost a month ago) was in constant evolution. It would move up and down my leg, often with no obvious reason. One day my knee would be huge, then it would move down to my calf, and then to the ankle and up again. At times it almost feels like part of the healing process. I have been sleeping in bed since day one this time around and am still sleeping with my legs elevated on 2 pillows, with both legs slightly bent at the knee. I must admit that the swelling has been less this time around than last October. Having my legs raised also is also more comfortable on my back (or maybe I am just used to it).
I tried walking a short distance with a cane about 2 weeks ago (instead of my walker), and that caused me considerable soreness and discomfort the next day. It was too early for me. In your case, maybe the soreness is due to switching from 2 walking poles to 1? Just a thought.
Looking forward to reading about your progress.