103 dbA sound limit
$399 entry fee before October 20 (limited number of spots at this rate)
$499 entry fee between October 21 and November 1
$549 regular entry fee 
3 groups, novice, intermediate, and advanced scheduled
Passengers allowed

Two Hour Enduro 
$499 entry fee (includes practice and qualifying)
Cars must meet NASA race safety rules
Transponders required
4 classes:
U: Unlimited. No open wheel cars.
A: Lap times of no faster than 1:45
B: Lap times of no faster than 1:55
C: Lap times of no faster than 2:05