Do you wanna be the guy on the basketball team that can't shoot?Nobody will pass to you when open.
Do you wanna be the 30yr old skateboarder all padded up going in slow motion while the others are going above your head with their milf wives and flannel shirts?
Do you wanna be that 30yr old in the beginner mountain bike section with all the children and the old people?
Do you wanna be the boxer that just gets beat up by everybody in the gym?
Do you wanna be the the guy on the book club that has only read isekai manga?
Do you wanna be the guy on the tech club that cannot boot linux?
There is nothing wrong with being a beginner or even being an old beginner, but you will never be one of the "cool" guys in the scene or even an part of it depending on what you do people will encourage you and and respect you for trying but you will never be respected by seniority or high skill level, you will be respected for trying, a participation trophy if you like, you will be just that, that 30yr old guy thats just starting, there is people that do things for years and still suck, but they know people, they are part of the scene, people already have their own cliques why would they want you in it? Why would they want to hang out with you? You cant keep up with their level, unless of course you wanna be that 30yr old hanging out with teenagers. Also depending on the sport your body might be not able to keep up regardless. Very few people completely waste their lives though to the point where they cant expand horizontaly to something similar, if you played videogames your whole life try going to a game club or a d&d group or whatever, forget rockclimbing. People might be more lenient if the reason you wasted your teens and 20s was because you were in jail, not because they like you, but because they're afraid youre gonna stab them.