2021 Shore Lunch 150

The 2021 Shore Lunch 150 was the 11th stock car race of the 2021 ARCA Menards Series season, the sixth race of the 2021 ARCA Menards Series East season, the fifth race of the 2021 Sioux Chief Showdown season, and the 15th iteration of the event. The race was held on Saturday, July 24, in Newton, Iowa at Iowa Speedway, a 7⁄8 mile (1.4 km) permanent D-shaped oval racetrack. The race would take the scheduled 150 laps to complete. At race's end, Ty Gibbs of Joe Gibbs Racing would dominate the race and win his 14th career ARCA Menards Series win and his sixth of the season. To fill out the podium, Daniel Dye of GMS Racing and Taylor Gray of David Gilliland Racing would finish second and third, respectively.

Entry list
* Withdrew.

First and final practice
The only 45-minute practice session would occur on Saturday, July 24, at 4:15 PM CST. Ty Gibbs of Joe Gibbs Racing would set the fastest time in the session with a lap of 24.649 and an average speed of 127.794 mph.

Qualifying
Qualifying would take place on Saturday, July 24, at 6:00 PM CST. Drivers would all have two laps to set a time- the fastest of the two would be counted. Ty Gibbs of Joe Gibbs Racing would win the pole with a lap of 24.294 and an average speed of 129.662 mph.

No drivers would fail to qualify.