Mine has been checked by 2 different physios. Looks like it's caused by weak inner thigh muscles which are then over-compensated for by my outer hip muscles. This is why I spent last night doing wide squats, plies and bridges thank feck I was home alone :)
I am wondering about shoes though. I have 2 pairs which I rotate between that were bought in February and April last year so while I have done a lot of running, they shouldn't yet be knackered, but the pain does seem to come on when I put them on. I was fine all day on Monday, didn't notice my hip at all - then laced up my shoes and walked from the car park to where we meet for the club run and could feel the pain even without running! I can't decide whether it's because it actually hurts more with the shoes on or if I just notice it more because I'm thinking about it if you see what I mean?
I need to go back to Sweatshop and get them looked at but it's hard when both of the children are home on holidays as going for a gait analysis and taking both of them would be traumatic. Might try being more mindful of how it feels barefoot and in other shoes and then wearing my running shoes around the house later and seeing if there is a noticable increase in pain. I'm loathed to take a week off training as I'm onto the second week of my half marathon training plan and I'm frustrated that the first time I try to do this properly, I'm still not doing enough :(
Mine feels like the top of my hip bone is bruised and if I poke it (yes, I know - just stop poking it!) it feels sore to the touch too. Where is your pain pirate?