There will be 6 classes for the mud run. 4 & 6 Cly., Stock, Super Stock, Pro Stock, Modified, and Open. If you pre-registration before May 23, the cost is $30. If you register after May 23rd or the day of the race, the cost is $40. Truck check-in will be from 7 a.m. to 9 a.m. The 1st race starts at 10 am.