Dirty cars crashing during a demolition derby at the Gene Chapel Arena, with a crowd watching behind a white fence and a control tower in the background.

MONTANA DEMOLITION DERBY RULES

Four people helping to squeeze mud from a sheep at a muddy farm event, wearing orange shirts and covered in mud, with a banner in the background that mentions Golden Heads.

PIG WRESTLING RULES

Nighttime scene at a dirt racetrack with a large black semi-truck pulling a flatbed trailer. There are a few people standing near the fence, and a small viewing booth with flags and a digital timer displays 27.350 seconds. The track is illuminated by bright lights, with dust visible in the air.

TRUCK AND TRACTOR RULES