I am just going to play devil's advocate

here. I have no objection to the format used by THSCC or Triad. I get to run the all-at-once format with other clubs.
- The all-at-once (AAO) format is the most efficient in getting most cars and drivers through. Allowing either more runs or more drivers.
- Is easier for worker changeover. There is no confusion on when you work and when you drive.
- Allows more social time. In the split format you are in the grid or on course for 3/4 of the event. In the AAO format you are in grid or course for 1/2 the event.
- Allows for more instruction time. See above.
- Allows more observation time, See above.
- Allows for more ride alongs. If you are competitive you only have one run to throw away taking a rider along, the first one, in the split format. Your second and fourth runs are too important. Only those runs are the tires even coming close to their optimal working temps. In the AAO format your third and fourth runs are the important ones. So you can have a rider in 1 and 2 and not waste too many runs.
- The AAO provides better feedback on any subtle changes you want to make to the car. If you make a subtle (notice it is subtle) change after your 2nd run in the split, you have add another variable, cold tires, on the next run.
- AAO is fair to all competitors. You run and work the same amount. Course workers for the 3rd and 4th shift can end up working during the hottest time of the day and working more runs than the 1st and 2nd shift.
- Warm tires are like a warm woman, soft, supple and thrilling.
If you are in the first run group in AAO, it is a little bit of a disadvantage with cooler temps and the possibility of a dirty course. But you do have the freshest look at the course.
I would rather my driving do the talking and not my mouth

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Jim Pastorius
2008 Silverado VortecMax
1992 Camaro
CMC#92
2002 BMW R1150R
2009 3rd Place CMC Mid-Atlantic Championship
2009 CMC Hyperfest Winner