Check out YouTube for some folks for meal inspiration. I’m sure you’ll find one with similar interests that you like. Browsing this subreddit is also a great place for routines, macros, meals etc.
If you’re interested in the animal welfare and social responsibility aspects, Netflix is a great source for documentaries.
Main thing is, just jump into it. There’s no shortage of amazing vegan endurance athletes.
Here’s a couple quick links. If you have any specific questions you might find answers in the sub, or guidance on where to find them.