IMO, bandaids/gloves/etc. aren't that important. If you get a cut, it's not going to prevent you from getting back to your car. For longer trail runs or hikes (>4 hrs), I carry a SAM splint with a couple heli straps wrapped around it. The heli straps are extremely useful. In the event of a broken bone/sprained ankle, they can be used to secure the SAM splint. If your shoes blow out, you can also use them to strap your shoe back together.
My first aid kit goes (in order of importance):