Group 1 (race licence holders only)
Our fastest Senior Trophy (1000/750/675/600cc etc.) class race machines and riders capable of maintaining a minimum dry lap time of approximately 1 minute 16 seconds.
Group 2
Our slower Senior Trophy (1000/750/675/600cc etc.) class race machines and riders, and fast road riders with prior track riding experience.
Group 3 (race licence holders only)
Our Intermediate and Junior class race machines and riders.
Group 4
Medium and novice road riders, with or without prior track riding experience. This group is led by a lead rider at approximately 160-180km/h, which will be reviewed as the day progresses. Passing is allowed on the straights and on the outside of corners only, maintaining at least two metres clearance at all times. There will be no passing of the lead rider who will be wearing a fluorescent vest.