Demo derby...for lawnmowers?

Most people have heard of a demolition derby, and many people have attended one—including the events on the final day of the Calumet County Fair each year.

But demolition derby for riding lawnmowers?

That is indeed one of the categories of demolition derby which is scheduled to take place Monday, Sept. 2 (Labor Day) starting at 2:30 p. m. at the fairgrounds in Chilton.

Hollywood Motorsports is coordinating the demolition derby, including spelling out safety instructions for anyone thinking of taking part in the lawmower demolition derby. The safety of all participants is of the utmost important, Hollywood Motorsports officials said.

No rear engine lawnmowers are allowed. Participants must remove all glass, cast iron, and plastic. No zero-turn radius mowers are allowed.

The officials rules state, “Do not make your mower into a tank, you will be disqualified.” No bumpers are allowed.

Mowing decks must be removed completely. Owners must weld brackets and joints that raise and lower the deck if the decks are not removable. No reinforcing of frames is allowed.

All mowers must use lawnmower type wheels. Lug style (farm tractor style) tires are not allowed. No tire chains, no dual wheels, no all steel wheels, no valve stem protectors, no tires in tires, foam filled tires, no studs or solid tires. Tires may be checked for air pressure at check-in time.

Electric start mowers are preferred, not required. If the mower does pull start, the owner must be able to start their mower while remaining on the lawnmower with legs and arms inside of the safety cage.

No spikes or any protrusions are allowed on mower. The mower must have a number on each side. Original and clever names are also strongly encouraged, but not required. No profanity or demeaning language. Mowers must have good brakes, and forward and reverse gears at start of the heat.

Mowers must have a safety cage installed for driver protection. The purpose of the safety cage is not to reinforce the strength and durability of the mower. The safety cage must be square tubing, angle iron, or round tubing. This is to protect the feet and legs of the driver.

Find out more rules at