Are you working to develop your foot strength?
Your feet can get sore because it is new and you are using parts of your foot you have not used before.
Episode 54: Pinchy Ankles and Weak Feet
Episode 07: Bro, Your Navicular Bone Dropped
Rebuilding Your Feet With Brian MacKenzie
Rebuilding The Feet, Part 2
Rebuilding the feet, part 3

If you are standing on the outside of your feet you are over correcting it.
Send me a message with your email and I can send you some info on strengthening your feet.