The 2023 Dutch Boy 150 was the 4th stock car race of the 2023 ARCA Menards Series East season, and the inaugural iteration of the event. The race was held on Saturday, May 20, 2023, at Flat Rock Speedway in Ash Township, Michigan, a 0.25 mile (0.40 km) permanent asphalt oval shaped short track. The race took the scheduled 150 laps to complete, and was also the first ARCA race to be held at Flat Rock since 2000. William Sawalich, driving for Joe Gibbs Racing, would find redemption from Nashville, taking the lead from Sean Hingorani late in the race and leading the final 48 laps to earn his second career ARCA Menards Series East win, and his second of the season.[5] Hingorani won the pole and led a race-high 102 laps, before falling back in the final stages and finishing 3rd. To fill out the podium, Lavar Scott, driving for Rev Racing, would finish in 2nd, respectively.
The first and only practice session was held on Saturday, May 20, at 3:30 PM EST, and would last for 60 minutes.[6]William Sawalich, driving for Joe Gibbs Racing, would set the fastest time in the session, with a lap of 12.876, and a speed of 69.897 mph (112.488 km/h).[7]
Qualifying was held on Saturday, May 20, at 5:10 PM EST.[6] The qualifying system used is a single-car, two-lap based system. All drivers will be on track by themselves and will have two laps to post a qualifying time. The driver who sets the fastest time in qualifying will win the pole.[9]