A question for all you wonderful Run Disney folks out there

.
I did the Goofy last year with a friend of mine (I was not previously a runner but have since been bitten by the bug) but have felt a very odd, but strong desire to do the Dopey this year, just feel like i have unfinished business if that makes sense to anyone?
So...I signed up for the Dopey because I just feel this strong need to accomplish it. It could very well be a mid-life crisis thing, as I am a 45 married man with an awesome wife and two incredible teenage girls who all happen to love Disney! My first question is that my wife and girls can't come with me due to school and work so is it odd for me to do this by myself and maybe visit the parks for a day or two by myself? I am doing the Dopey but feeling a little odd since it will likely be just me. Is anyone else in the same boat? I know I shouldn't care but feeling a little odd as middle aged male, but I sure do love Disney!
Thanks for any advice or input

.
FYI - This board is fantastic and I love the support for everyone!!