I was looking for a race this weekend, and surprisingly I found a race in American Fork, UT that is free (if you don't want a t-shirt). They have a mile, 5K, and 10K. It also seems like it might be well-enough organized to make it worth my time, just judging from their web site. Anyway, I wanted to share this with you guys, in case you also live nearby. It's refreshing to see a free race in an age when you have to pay through the nose for most races.
http://www.runthatrace.com/events/2011/runofremembrance