So I am really close to pulling the trigger on my first race of any kind.

I'm nervous. I am not a runner in the least, but something about the Disney races are calling to me. Plus, I am on weight loss journey and feel like maybe having a goal would be a good thing.
I'm thinking I should just start with the 5k, but the inaugural 10k sounds fun too. I walk the parks all the time with no issues. So I don't know if the 5k will feel too short? Can anyone give me your opinions.
Also, the commemorative stuff you can buy when you register: pins, jewelry, etc. Do you have to pre-purchase when you buy? Or will it be available at the expo.
I am thinking of using my DVC points at the VGC. But I am also considering staying off site if I decide not to use the points (only a wait list right now anyway). We like the Anabella; is that too far? I've read this thread that people like Stovalls, and Candy Cane, and I think I've seen a lot of chatter elsewhere about HoJos. Any opinions would be greatly appreciated.