Teams of 3 to 4 Drivers all take part in a 20 minute qualifying session and then take part in a 100 Lap endurance race and alternate drivers
Minimum of 8 teams up to 18 (3-4 drivers per team required)
Teams of 2 or 3 Drivers all take part in a 15 minute qualifying session and then take part in a 75 Lap endurance race and alternate drivers.
Minimum of 8 teams up to 18 (2-3 drivers per team required)