question for the group; been trying to google this but haven't seemed to find an answer....
lately I have been trying to focus more on Zone 2 (or 3

) -- last few weeks after a few hundred meters I seem to be getting an annoying ache in my right ankle which eventually develops in slight cramp in the calf. right foot also seems 'noisier' then the left. it's worse at slower speeds, is better at faster speeds, gone when sprinting. Also seems to go away when running up hill (>4% slope). sometimes running uphill solves it for the rest of the run, but not always. no issues once I stop running...i'm thinking it might be form related (forward lean) -- but can't seem to sort it out. Also tried to alternate which side of the road i run on to see if that makes a difference -- not much, but flatter / no crown does feel better.
any tips/suggestions on getting into / maintain form...especially at slow speeds? or what else this could be?