Where is your knee hurting?  Front, back, outside, inside.

first off- I am also in Fl (Tampa) and have been toying with the warrior dash...  it just looks too insane and fun to pass up!

second- I also suffer from knee pain.  I don't know where yours is, but if it feels behind and almost under the knee and you feel a pressure there and on the sides when you run, it will be similar to mine.  I have been in therapy for it, since I want to run more and was concerned about injuring myself to the point of sitting out.  a lot of what I do in therapy is to strengthen the muscles supporting the knees- while I have been active, I just picked up running a couple months ago.  I do a lot for my quads, and hamstrings.  another thing is alignment and form.  lastly, good stretching...  I am a big supporter of a foam roller to help with this.  aside from the slight cmp, I also have a tight IT band which pulls the knee.  using the foam roller really helps.  my therapist even suggested using a rolling pin since it's not as awkward to position and use as the roller, and he was right!  I even used it in the car on the way to my last race...  (I was not driving!)

hope some of these tips help.  I know it's soooooooooooo frustrating to be injured and the thought of sitting out just stinks.  especially after starting off so well and getting into running.

good luck!

Running in the wrong type of shoes can most definitely contribute to knee pain.  I recommend going to a running specialty store -- ask an employee to get fitted for a proper pair of shoes.  They will be expensive, but it'll be worth it.