The 2018 Overton's 225 was the 11th stock car race of the 2018 NASCAR Camping World Truck Series season and the 10th iteration of the event.
The race was held on Friday, June 29, 2018, in Joliet, Illinois at Chicagoland Speedway, a 1.5 miles (2.4 km) permanent D-shaped oval.
At race's end, a hard-charging Brett Moffitt, driving for Hattori Racing Enterprises would pass the fuel-ailing John Hunter Nemechek of NEMCO Motorsports on the final lap to take Moffitt's 4th career win in the NASCAR Camping World Truck Series and his 3rd of the season.
Johnny Sauter of GMS Racing would set the fastest lap, with a 31.006 and an average speed of 174.160 miles per hour (280.283 km/h).
Todd Gilliland of Kyle Busch Motorsports would set the fastest lap, with a 30.862 and an average speed of 174.972 miles per hour (281.590 km/h).