I have an RE 3 (ELS) and I want to get back in. The reason I was separated was for fitness (I couldn't pass an APFT). Can I re-enlist?

I was a a little over weight and could pass a Pt Test what is the possibility of me getting to reenlist, the military is my dream and i messed up the first time. I'm older now and ready to go back i'm in shape and can met the Pt requirements should i even try or is it a no chances option?