"It doesn't matter how slow you go, as long as you don't stop". Good advice for guitarists and all instrumentalists. However, for a better performance, and higher audience admiration, (more applause), please try a little closer to concert tempo when ready. Confucius Jr.
My Dad always said, "Learn to play the tune slowly, then increase your speed. It's a lot easier to learn something the right way than to have to unlearn the wrong way. Also, don't hurt yourself."