Well, drag races are one place you don't need to worry about overheating the battery
It's a different issue if you take it to a road course like the Nurbergring in Germany where the fastest time requires constant full accelleration followed by as hard of braking as you can to make the corner, followed immediately by accellerating as hard as you can, etc. Brakes end up glowing cherry red and Tesla battery packs end up... well... more of a smouldering black from what I hear
Electric cars are just going to slaughter on the drag strip. They're just so easy to make go so fast, the tradeoffs are completely different than for gasoline engines. I imagine they'll do extremeley well at Autocross, too.
