Brake scrubbing accelerated speed

Have the problem with my CTR at accelerated speed (+brakes) that the brakes are rubbing. Same thing occurs when you slow down strongly from high highway speed. Then the brakes don’t sound and feel very trusting. My explanations: 1. Two-time racetrack visit with heavy braking load. Brake discs have been drawn since then. (Pays Honda e.g. spoiled brake discs in the course of the 3J warranty?) 2. Front brake discs have “brake lining stamps” that look like if the brake pads have fixed themselves and now on this place is a different surface than on the rest of the brake disc. Have you noticed similar phenomena? If so let me know your braking problems.