The next one should be the second weekend in April. You can play with your vehicle in the back play area for free---the only requirement is that you put on a good show.
To enter the mud races and other contests there is an additional fee---I'll get you the date of the race and what it costs to enter in a day or two.
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It wasn't me, it was someone who looks like me and does all the bad stuff I don't do!
Visit with me at captainrpm.com