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.

Dutch Boy 150

ARCA Menards Series East
Venue	Flat Rock Speedway
Location	Ash Township, Michigan
Corporate sponsor	Dutch Boy
First race	1985
Laps	150
Previous names	Howard Williams Memorial (1985) Flat Rock 125 (1986) Miller High Life ARCA 125 (1987) Grand Auto Parts 150 (1987) Miller High Life 150 (1988, 1989) Jomar Race Engines 150 (1988) Metro 25 Tire Centers 150 (1989, 1991–1995) Miller Genuine Draft 150 (1990, 1991–1996) Metro Tire Centers 150 (1993) AC Delco 150 (1995, 1996) Clarklift of Detroit 150 (1997) Flat Rock ARCA 150 (1998) Jasper Engines & Transmissions 150 (1999, 2000) Dutch Boy 150 (2023–present)
Most wins (driver)	Ed Hage (4)
Most wins (manufacturer)	Chevrolet (11)
Circuit information
Surface	Asphalt
Length	0.25 mi (0.40 km)
Turns	4

Past winners

ARCA Menards Series
Year	Date	Race	Winner	Manufacturer	Starting position	Laps completed	Ref
1985	July 13	Howard Williams Memorial	Ed Hage	Oldsmobile	1	85*	[1]
1986	June 14	Flat Rock 125				125	[2]
1987	June 27	Miller High Life ARCA 125				125	[3]
	August 8	Grand Auto Parts 150			2	130*	[4]
1988	May 28	Miller High Life 150	Bob Keselowski	Chevrolet	1	150	[5]
	August 13	Jomar Race Engines 150	Tracy Leslie	Oldsmobile	11	150	[6]
1989	May 27	Miller High Life 150	Dave Weltmeyer	Oldsmobile		150	[7]
	August 12	Metro 25 Tire Centers 150	Grant Adcox	Chevrolet		150	[8]
1990	May 26	Miller Genuine Draft 150	Bobby Bowsher	Pontiac	4	150	[9]
1991	June 1	Miller Genuine Draft 150			1	163*	[10]
	June 29	Metro 25 Tire Centers 150	Bob Keselowski	Pontiac	4	150	[11]
1992	June 27	Metro 25 Tire Centers 150	Dave Weltmeyer	Pontiac	9	150	[12]
	August 8	Miller Genuine Draft 150			3	150	[13]
1993	May 29	Miller Genuine Draft 150	Harold Fair	Pontiac	2	150	[14]
	June 26	Metro Tire Centers 150	Jeremy Mayfield	Oldsmobile	12	150	[15]
1994	May 28	Miller Genuine Draft 150	Gary Bradberry	Buick	17	150	[16]
	July 23	Metro 25 Tire Centers 150	Dave Weltmeyer	Chevrolet	3	150	[17]
1995	May 27	Miller Genuine Draft 150	Andy Hillenburg	Chevrolet	12	150	[18]
	July 2	AC Delco 150	Marvin Smith	Chevrolet	7	150	[19]
	July 22	Metro 25 Tire Centers 150	Joe Ruttman	Chevrolet	1	150	[20]
1996	June 1	Miller Genuine Draft 150	Dave Weltmeyer	Chevrolet	3	150	[21]
	July 6	AC Delco 150	Tim Steele	Ford	4	150	[22]
1997	July 5	Clarklift of Detroit 150			2	150	[23]
1998	August 1	Flat Rock ARCA 150	Frank Kimmel	Chevrolet	4	151*	[24]
1999	July 31	Jasper Engines & Transmissions 150	Bill Baird	Chevrolet	1	150	[25]
2000	May 27	Jasper Engines & Transmissions 150	Frank Kimmel	Chevrolet	5	159*	[26]
ARCA Menards Series East
2023	May 20	Dutch Boy 150	William Sawalich	Toyota	4	150	[27]
2024	May 18	Dutch Boy 150	Connor Zilisch	Chevrolet	1	150	[28]
2025	May 17	Dutch Boy 150	Max Reaves	Toyota	1	150	[29]

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