2026 Sunbelt Rentals 150

The 2026 Sunbelt Rentals 150 was an ARCA Menards Series Eastrace held on Saturday, August 1, 2026, at Flat Rock Speedway in Ash Township, Michigan. Contested over 150 laps on the 0.25-mile (0.40 km) short track, it was the sixth race of the 2026 ARCA Menards Series East season, and the fourth running of the event.

Max Reaves, driving for Joe Gibbs Racing, pulled off a dominating performance, leading a race-high 130 laps from the third position and surviving a chaotic late restart to earn his fifth career ARCA Menards Series East win, and his second of the season. Tristan McKee finished second, and Isaac Kitzmiller finished third. Matt Kemp and Quinn Davis rounded out the top five, while Toro Rodríguez, Austin Vaughn, Jackson McLerran, Craig Pellegrini Jr., and Blaine Donahue rounded out the top ten.