TRI COUNTY FAIR Labor Day Weekend in Mendota 2022 TRI-COUNTY FAIR! September 1-5 Thursday September 17 PM Vintage Stock car racing Friday Sept 2. 7 PM ISP Truck and Tractor Pulls Saturday Sept 3. 6 PM Mega X Shoot Out Motorcycle racing Sunday Sept 4. 7 PM JOHN KING CONCERT Monday, Sept 5. 3 PM Demolition Derby TRI COUNTY FAIR Labor Day Weekend in Mendota 2022 TRI - COUNTY FAIR ! September 1-5 Thursday September 17 PM Vintage Stock car racing Friday Sept 2. 7 PM ISP Truck and Tractor Pulls Saturday Sept 3. 6 PM Mega X Shoot Out Motorcycle racing Sunday Sept 4. 7 PM JOHN KING CONCERT Monday , Sept 5. 3 PM Demolition Derby