The 2020 Illinois Truck & Equipment Allen Crowe 100 was the 19th stock car race of the 2020 ARCA Menards Series and the 38th iteration of the event. The race was held on Sunday, October 4, 2020, in Springfield, Illinois at the Illinois State Fairgrounds Racetrack, a 1 mile (1.6 km) permanent clay oval-shaped track at the Illinois State Fair. The race was extended from its scheduled 100 laps to 103 laps due to a NASCAR overtime finish. At race's end, a dominating Ryan Unzicker of would hold off the field on the final restart to win his first and to date, final career ARCA Menards Series win and his first and only win of the season. To fill out the podium, Hailie Deegan of DGR-Crosley and Bret Holmes of Bret Holmes Racing would finish second and third respectively.