Is it a bad idea to try and get to know a girl at the gym?

I work at 24 Hour Fitness and there's a regular who comes to workout everyday. I started a small conversation with her last week. It was the only conversation that I've had with her as of right now. I said, 'hi" to her this past Saturday, but she didn't hear me because she had her headphones on. I'm just thinking, if I should make a move.

I don't know, if she has a boyfriend or is seeing anyone. I don't want to be weird or risk my job, so any advice would be appreciated.

Is it a bad idea to try and get to know a girl at the gym?
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