That's a great idea.
I'm registered. Here's my event: Track Shack Celebration of Running 5k
I think we could call this the 2010 Inaugural Dopplelaufer Virtual 5k Challenge.
Look at you, Hop-a-long, already making excuses with the knee surgery. I think you're trying to sandbag me. 
On a more helpful note, if you haven't tried them before, ice baths after hard runs has helped me recover a lot faster without perpetual soreness.
If you're in, maybe we should start a new thread for good natured taunting and race reports.