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.