When it mattersLoad for long eventsMarathon, half marathon, and long XC are the high-return use cases.
Modern protocolThree days is enoughReduce training volume so the extra carbs have somewhere to go.
Event targetsMatch the load to the race90+ minute events: about 6-8 g/kg during the final 2-3 days is the practical target.
One meal does not carb load. A planned 2-3 day intake does.