Background color varies: tan, yellowish, greenish, bluish, etc., but always with seven light stripes. Belly plain with large, rectangular scales. Juveniles with bluish tail. 
Subspecies: A. s. sexlineatus (Eastern Six-Lined Racerunner) and A. s. viridis (Prairie Racerunner)
Arkansas Herpetological Atlas 2019
This species is represented by 940 records from 36 sources: 708 museum (
), 0 literature (
), 0 research (
), and 49 observation (
), with 183 additional Trauth et al. (2004) locality points remaining unsourced (
). It has been museum vouchered for 61 of 75 counties (), with 9 additional counties having other forms of reported occurrence (). Years of collection range from 1894 to present.
This species has recorded occurrence throughout most of the state, with some distributional gaps in the Mississippi Alluvial Plain. Powell et al. (2016) show a large intergrade zone with the A. s. sexlineatus subspecies (■) across the Mississippi Alluvial Plain and South Central Plains.
