History

Active Series

National
	Lucas Oil Late Model Dirt Series
	World of Outlaws Late Model Series
Midwest
	AMSOIL Late Model Series
	IMCA Deery Brothers Summer Series
	Northern Allstars Late Model Series
	Northern LateModel Racing Association
	O'Reilly MARS DirtCar Series
	O'Reilly Midwest LateModel Racing Association
	O'Reilly National Championship Racing Association
	O'Reilly Topless Outlaws Racing Association
	Show-Me Racin' Series
	Sunoco American Late Model Series
	Tri Star Challenge WISSOTA Late Model Series
	UMP DirtCar Summernationals
	World Dirt Racing League
North
	Independent Racing Series
	Mid-Atlantic Championship Series
	United Late Model Series
South
	Advance Auto Parts Thunder Series
	Arkansas Motorsports Professionals
	Carolina Clash Super Late Model Series
	Mississippi State Championship Challenge
	O'Reilly Battle of the Bluegrass DirtCar Series
	O'Reilly Mid-South Racing Association
	O'Reilly Southern All Star East Series
	O'Reilly Southern All Star Series
	O'Reilly Southern Nationals
	O'Reilly Southern United Professional Racing
	Southern Regional Racing Series
West
	Colorado Late Model Association
	Hoosier I-5 Challenge Series
	NAPA Muscular Dystrophy Association Series
	Southwest Dirt Racing Association
	Western Allstars Super Late Model Series
	Western Dirt Racing Association

	All-Star Circuit of Champions Late Models
	Big Johnson Late Model National Championship
	California Clash Super Late Model Series
	Dixie Late Model Series
	Hav-A-Tampa Dirt Racing Series (Xtreme)
	IMCA Friesen Challenge Series
	Montana Late Model Tour
	NASCAR Busch/O'Reilly All-Star Series
	National Dirt Racing Association
	National Speedway Contest Association
	Regional Racing Series
	Rick's Furniture Super Late Model Series
	Short Track Auto Racing Stars (Northern Xtreme)
	Southeast Motorsports Dirt Racing Series
	Southern All Star Topless Bandits (9:1 Series)
	Southern Outlaw Super Series
	Southern Xtreme DirtCar Series
	Super Six Challenge (crates)
	Topless Racing League
	UMP Challenge of Champions
	UMP Outlaw Nationals
	United States Racing Association
	USAC Late Models
	Western Allstars Late Model Series
	Western Dirt Late Model Tour

	Dirt Track World Championship
	Dream
	Eldora Million
	Jackson 100
	National 100
	North-South 100
	Pittsburgher
	Show-Me 100
	Topless 100
	World 100
	Yankee Dirt Track Classic