Dutch Boy 150 (Flat Rock)

The Dutch Boy 150 is an ARCA Menards Series East race held at the Flat Rock Speedway in Ash Township, Michigan. The inaugural event was held on July 13, 1985 and was won by Ed Hage. The race has been run each year since 1985 except from 2001–2022.

Past winners

 * 1991, 1998, & 2000: Race extended due to a green-white-checker finish.
 * 1985, 1987: Race shortened due to rain.