Happy to help! Nope, no chance of getting lost... the scene is all dark, quiet parking lots, and then this brightly-lit, music thumping area of high activity. Just go toward the light and you'll find yourself in race central, lol!
Here's a link to the 2014 PHM Event Guide, the start/finish line area map is on page 20: http://as1.wdpromedia.com/media/rundisney/pdf/princess/2014/Princess14_ProgramWeb.pdf
And here's a pic from the 2012 start/finish line area, to compare. Not much changed, as you can see.
The buses from your resort drop you off right at the pre-race area, which will be super busy and lit up like a party, like this:
There will be the tents for you to do bag check, music playing, lots of people, and port-o-johns. Once they open up the fences to make the trek to the corrals, the lines at the port-o-johns are about 40-50 people deep (no joke).
After you make your way to the corral area (page 19 of the above event guide), you'll see large lit up balls with your corral letter on them, like this (big pic, sorry):
That pic ^^ is for Corral B, as you can see in the lower right hand photo. There will be volunteers checking bibs at the opening of each corral, to make sure you're in the right place. They'll ask everyone to fill up all available space once you get closer to racetime, so be prepared to get crammed in like sardines.
Hope this helps!
I am irrationally excited today - I FINALLY got a coupon from Frontier that covers these dates (fyi - 13% off flights today only with code SNOWFLAKE!) so I booked our return trip on the 23rd. We leave for MCO on the 14th and that flight price started soaring (how many of you are playing the soarin' theme song in your head right now), so I had that flight segment booked months ago.
Then in my excitement, I did online check-in, booked DME, rechecked all the FP+ I'd booked a few days ago. We got everything we wanted, including A&E, SDMT, Wishes. And I did just change a time and can tell you SDMT has a ton of slots for the race weekend and the couple of days leading up to it still!
AND I bought a new outfit for the half (all pink, it IS a princess race, after all) and it arrived in the mail this morning! My $50 Victoria's secret rewards card really helped that one! I am getting measurements from my cousin over Christmas and we are ordering our tutus for the 5k via etsy, with a Jasmine and Belle theme. I am also letting her pick a resto for President's day since I am not really feeling the menu changes at the Brown Derby - it is between Marrakesh, Coral Reef and Flying Fish...
BTW, am I the only one second guessing their dinner ADR for the night before the half? I have Tutto Italia booked, which I ate right before the TOT 10 miler and it worked but wasn't terribly exciting. But now I am seeing that Il Mulino has rave reviews and going back and forth with changing it! Anyone have an opinion here one way or the other?
Other than that, the only things I have left to do are pack and show up at the airport! Oh...and run
Now I know I can do it. It took us 2:37 which is fine to me, and that's with a fair number of walking Gu breaks etc. I felt pretty great nearly the whole way, around 17/18 things started stiffening up a bit, but after a quick stretch my legs wanted to keep running. Mostly just my feet and knees were sore. I ate some leftover ham and pineapple for some protein. Then off to my parents for Christmas dinner where I helped quite a bit and stayed on my feet for awhile and started feeling fine, and even better after dinner and a glass of wine 
