I just did a track day and at the end of the day my brakes didn't feel quite the same. It can't be the fluid I changed it before going to the track. The pads turned a light blue color and the rotor has blue spots all the way around. Is this normal? Should I get new pads or just scuff the old pads up and scuff the rotor up? Also I'm just going to use this bike for track only. Thanks.