🏁 Iron Horse Mower Mayhem

Think your mower has what it takes to survive the mayhem?

The Iron Horse Mower Mayhem Lawn Mower Demolition Derby gives drivers a chance to battle it out in a one-and-done mower derby for trophies, bragging rights, and the entire cash pot!

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🚜 Driver Information

Date: Saturday, September 19, 2026
Location: Humboldt Speedway
1663 Georgia Rd, Humboldt, KS 66748

Entry Fee: $30 per driver/mower

Driver registration includes pit admission for the registered driver only.

NO REFUNDS

Driver Requirements:

• Drivers must be at least 15 years old

• Drivers 18 years old and younger must have a consent waiver signed by a parent or legal guardian

• All drivers must attend the mandatory driver’s meeting

• All mowers must pass tech inspection before competing

🎟️ Pit Access

• The $30 driver/mower registration includes pit admission for the registered driver only

• Anyone else entering the pit area must purchase a Pit Pass

• All pit attendees must follow Iron Horse Demolition Derby pit rules

🔧 Mower Requirements

Participants must bring their own qualifying factory-produced lawn mower.

Required:

• Factory-available lawn mower

• Working driver-attached kill switch

• Clearly visible number on each side

• Working brakes

• Functioning forward and reverse gears

• Factory-style hood and fenders

• Lawn mower-type wheels

• Leg guards

• Maximum engine size of 20 HP

• Maximum speed of 12 MPH

Not Allowed:

• Homemade frames

• Rear-engine lawn mowers

• Zero-turn (ZTR) lawn mowers

• Exhaust stacks

• Foam-filled or solid tires

• Tire chains

• Dual wheels

• Unsafe or sharp modifications

All mowers must pass tech inspection before competing.

🪖 Driver Safety

• Helmets are mandatory

• Long pants are required

• Closed-toe shoes are required

• A working driver-attached kill switch must be securely attached to the driver while competing

• Drivers must follow all instructions from event officials

💰 Payout & Awards

100% of Mower Mayhem driver registration fees collected make up the cash pot.

🥇 1st Place - Trophy + 100% of the Cash Pot

🥈 2nd Place - Trophy

🥉 3rd Place - Trophy

The more mowers that enter, the bigger the 1st Place cash payout!

💥 Event Format

Iron Horse Mower Mayhem is intended to be a single, one-and-done demolition derby.

All eligible mowers that pass inspection will compete together unless officials determine the number of entries requires otherwise.

• Drivers must remain actively engaged

• No sandbagging

• Normal demolition derby contact is allowed

• No intentional hits directly to another driver’s body or leg area

• No intentional hits to a rolled-over mower or mower declared out

• Drivers must stop when directed by officials

⚠️ Important Notes

• All mowers must pass tech inspection before competing

• A mandatory driver’s meeting will be held before the derby

• Unsafe driving or unsportsmanlike conduct may result in disqualification

• Failure to follow an official’s instructions may result in disqualification

• Officials’ decisions are final

• No refunds

• If the event is rescheduled, valid registrations will remain valid for the rescheduled date

📄 Rules & Regulations

All drivers should review the complete Iron Horse Mower Mayhem Lawn Mower Demolition Derby Rules & Regulations before building or modifying their mower.

The complete rules include:

• Driver & General Safety

• Engine, Drivetrain & Fuel Requirements

• Build & Reinforcement Rules

• Bumper Requirements

• Event Rules

• Tech Inspection Requirements

Please review the entire rules packet before registering and before building your mower.

IF THE RULES DON’T SAY YOU CAN DO IT, ASK BEFORE YOU DO IT.