Some comments:
System is a A1200 PiStorm 32, Pi 4b, Amiga OS 3.2.3, Emu68 V 1.07, Videocore 1.4.
Performance:
QuickRace 640x360 distance 150 -> 38fps; distance 300 -> 37fps
QuickRace 480x270 distance 150 -> 50fps; distance 300 -> 47fps
Interesting that different distance restrict the fps not that much. So i go with 300 :-)
Improvement: Sometimes I drive really badly :-) It would be nice to have a button you could press to get back on track. For example, the “B” button. Right now, the only option is to press ESC and start new.