11 quarter midget circuits :
Pikes Peak Quarter Midget Association, Ellicott, Colorado, USA: 38°50'12.8"N, 104°22'31"W
Rocky Mountain Quarter Midget Association, Erie, Colorado, USA: 40°2'20.3"N, 104°57'2.8"W
Southern Colorado Quarter Midget Association, Pueblo, Colorado, USA: 38°18'0.4"N, 104°40'29.1"W
Topeka Kansas Quarter Midget Association, Topeka, Kansas, USA: 38°57'2"N, 95°41'43"W
Roadrunner Quarter Midget Asociation of New Mexico, Albuquerque, New Mexico, USA: 35°1'19.3"N, 106°51'41"W
Tulsa Quarter Midget Association, Tulsa, Oklahoma, USA: 36°10'56"N, 95°55'19"W
River City Quarter Midget Association, Austin, Texas, USA: 30°23'33"N, 97°40'10.7"W
Lone Star Quarter Midget Associates, San Antonio, Texas, USA: 29°23'56.7"N, 98°25'12.2"W
Magic City Quarter Midget Association, Billings, Montana, USA: 46°0'16"N, 108°28'30"W
Portland Quarter Midget Racing Association, Portland, Oregon, USA: 45°28'50.2"N, 122°44'29.3"W
Little Wheels Quarter Midget Association, Graham, Washington, USA: 47°3'42.6"N, 122°17'58"W