Without being an NPC or above level competitor or having elite level looks and money and status?
Seems like a waste of time unless you're very good looking with very low standards and have your life together and have a car and place to bring a girl as well, or unless you're an older man with money who wants to support a single mom in the hopes of getting sex out of it.
Some days I can get 10+ awkward glances a day where girls check me out first, but I have only met one girl from the gym and we were both working at GNC on that day and I didn't see her again.
Now I just buy a membership, and stop by and hit a few poses and don't bother to make eye contact with girls first very often since I figure if they see you and like you to just let them talk to you first, but even that still goes nowhere.
Other guys I have talked to in the gym who are above average looking and in shape no homo, have the same thing happen.
im in this category and have no problem meeting girls in the gym. you gotta rmember a lot of girls who train ahrd like big guys. daddy issues, insecurites, attraction to the discipline etc
all you gotta do is say hi if shes looking at you. if shes into you you'll know it. if shes not proceed to bench 500 pounds and scream like a loon to show her whats shes missing.