This is fun stuff. All of you track guys would probably enjoy it, too. It is a road-course created with cones. Rather than running a single lap, you get a warm-up lap and three hot laps. Then you work and do it again.
More info at http://mav.pca.org/Events/AX.asp.
I'll be there.
I had another great time doing this. I wish some of you guys could have been out there to enjoy it, too. I was busy singing, Alllll by myseeeeeelf, don't wanna me, allllllll by myseeeeeelf...