If it makes you feel any better (and most likely wont... >.>) I only wear guys shoes for running (skateing, BMX,) Because they fit my foot better. I dont like the way girls running shoes hug my feet in general. I feel like it makes me twist my foot while i walk.
SO if they feel good, wear them. If they are comfortable, wear them. if they dont look girly with pink gliter on them, wear them. If they feel good and look good, dont worry bout it.