Owner Driver Endurance Events
Owners of twin engine 4 stroke pro-karts are catered for with a monthly race, specifically reserved for racers looking for a more competitive environment. A 2 hour main race event after practice and qualifying.
Testing
Owner Drivers with 4 stroke karts are welcome to test at the circuit whenever the circuit is free and available to do so. All testing is bookable in advance. The cost for testing is as follows and is for a 2 hour time slot:
£20 - 1 kart and 1 driver
£10 for each additional driver
Results 2009
| Date | Time |
| Sunday 11 January 2009 | 9:00am arrival |
| Sunday 8th February 2009 | Results now available |
| Tuesday 17th March 2009 | Results now available |
| Wednesday 29th April 2009 | Results now available |
| Tuesday 19th May 2009 | Results now available |
| Monday 22nd June 2009 | Results now available |
| Monday 20th July 2009 *FULL CIRCUIT* | Results now available |
| Tuesday 18th August 2009 | Results now available |
| Monday 21st September 2009 | Results now available |
| Monday 19th October 2009 | Results now available |
| Sunday 22nd November 2009 | Results now available |
| Sunday 13th December 2009 | Results now available |
Forthcoming Dates 2010
| Date | Time | Testing |
| Sunday 31 January 2010 | Cancelled due to adverse weather | |
| Monday 22nd February 2010 | Results now available | |
| Tuesday 23rd March 2010 | 5:30pm arrival | 2:00pm - 4:00pm |
| Tuesday 20th April 2010 | Results now available | |
| Tuesday 18th May 2010 | Results now available | |
| Monday 21st June 2010 | Results now available | |
| Tuesday 20th July 2010 *FULL CIRCUIT* | Results now available | |
| Monday 16th August 2010 | Results now available | |
| Tuesday 21st September 2010 | 5:30pm arrival | 2:00pm - 4:00pm |
| Monday 18th October 2010 | 5.30pm arrival | 2:00pm - 4:00pm |
| Sunday 21st November 2010 | 9:00am arrival | |
| Sunday 19th December 2010 | 9:00am arrival |
Owner Driver Event Format
Practice / Qualifying
- 20 Minutes Practice
- 10 Minutes Qualifying - Start of qualifying is signified with a green light on start finish straight
Race
- Two hour endurance race
Weigh In - 180kg minimum weight
Fuelling - Three Sisters provide fuel
Regulations
- All Karts must race on Chin Shen slick tyres (as these are now being phased out, Bridgestone YDS Slick tyres will also be allowed). As of January 2011 all karts will run on Bridgestone YDS Slick tyres.
- All karts must have chain guards fitted
- All drivers must wear all-in-one race suits and have gloves and full-face helmets
- Staggered grid for 2 hour race
- Minimum of 3 pit stops to be made during race. 1 of these to be a fuel stop (Three Sisters fuel)
- At each pit stop you must stop on weigh bridge. Every kilo the kart is under 180kg a 30 second penalty is given
- Only driver at the time is allowed in the scruitineering bay for refuel and weigh in
- Driver changes to be made in the pit lane
- All drivers must stop in the "stop box" at the bottom of the pit lane, indicated by 4 traffic cones
- Any work / running repairs to karts must be done in the paddock and not the pit lane
- All drivers must be aware of flag signals
- High visability vests to be worn by all drivers once pit lane lights are turned on or when advised by Three Sisters Staff
- All instructions and directions given by Three Sisters Staff must be adhered to without question
- Failure to conform to the above rules could mean that you will be asked to leave the circuit; may not be allowed to re-join the race and in extreme circumstances will not be allowed to race at Three Sisters Race Circuit again
- The Regulations that are used Nationwide can be found by clicking here
