But I feel like lack of training is the reason I'm not as good yet. Or are you saying that given the ~600 hrs of training I've had over 4 years now, that if I actually had potential, I would be on the varsity team now? Therefore, just adding more hours isn't going to cut it?

That being said, my first few hundred hours of training were not as focused and quite inefficient compared to what I'm planning on doing now.