Lisa --
So the race (combined with the first weekend of the official holiday season) was a success? Since it's happening again next year in November, I am assuming that Disney had high hopes for it being a success before it even happened!
Did you find the crowds to be too big, or were they not that bad?
Just thought I would add my tidbit from being there last weekend. We had originally planned our inpromptu trip this weekend both because it worked with our schedule and because we figured it wouldn't be crowded. However, the race did change that. Saturday was definitely crowded, not as much as peak holiday season but still a bit harder to get around then expected. There wasn't any incredibly long lines though (longer than one hour) with the exception of Radiator Springs and Space Mountain/Indy from time to time.
Sunday was much better though, there was still some people but very manageable. Lines, especially in the morning were pretty short, as most of the half marathon runners seemed to go back to their hotels to shower before coming into the park. Also Sunday had much less kids (and strollers...the strollers, im assuming from tired racing kids on Saturday got to be a little bit much). Mid-day it got a little bit busier but after the second parade it weaned off again and the evening crowds were pretty mellow.
I have to say, it was my first time experiencing the Jingle Cruise and the World of Color: Winter Dreams and both were the highlights of my trip. They did a great job making holiday jokes to fit the decorations on the Jingle Cruise...we went at night and I think that was the best choice since the xmas lights made it more magical. Winter Dreams (though almost to focused on Frozen, as much as I love it) was spectacular...I appreciated the tidbits of old school Mickey xmas movies/shows they added and had a great time singing along to all the music!
It being my first time experiencing a weekend at Disney with a race going on I am not sure if its normal or not but the crowd (despite their being a decent amount of kids on Saturday) seemed to be of a more mature nature. A lot of the people we met were great to talk to (me also being a runner I found much to chat about) and people seemed a bit more laid back. And even the kids, though probably tired were some of the better behaved I have seen at Disneyland in the past couple years.