The 2018 UNOH 200 was the 16th stock car race of the 2018 NASCAR Camping World Truck Series season, the last regular season race of the year, and the 21st iteration of the event. The race was held on Thursday, August 16, 2018, a 0.533 miles (0.858 km) permanent oval-shaped racetrack. The race took the scheduled 200 laps to complete. GMS Racing driver Johnny Sauter would pass an ailing NEMCO Motorsports driver, John Hunter Nemechek and hold off Halmar Friesen Racing driver Stewart Friesen to win his 22nd career NASCAR Camping World Truck Series win, his fifth of the season, and would clinch the regular season championship. Friesen and Nemechek would finish second and third, respectively.