Just wanted to note that on my sixth track day, the front tire started to slide while going around Turn 1 at ~75+ mph. I was pretty well leaned over when I noticed it. I was about to start my exit of the corner so I was actually rolling-on the throttle at the time, So when I noticed it sliding I arrested the throttle; it continued sliding. I then opened up the throttle slowly to see if that would work; it still kept sliding.

So I then raised the bike up and rode off the track.

NB: I believe the tire became what is generally termed as being "greasy". Meaning overly hot, so that the rubber sheds faster than usual. This may be correct since the track temperature was hotter than I had ever ridden in before.