On the track, race pads will last between 600 to 1500 miles ( 5 to 10 track days). Stock pads could only last a couple of days if you push them hard (maybe only 200miles), but they would be fading the whole time....
2011 e92 M3 Monte Carlo Blue ESS 535 - gone but not forgotten
2015 cayman GTS - new toy
2006 SLK 55 AMG sold