Any of a number of fast-moving active lizards with longitudinal markings and a pointed snout, in particular:
- An American lizard (genus Cnemidophorus, family Teiidae). (desert racerunner) An East European lizard (Eremias arguta, family Lacertidae).
- Making my way down a trail through rosemary scrub in Florida's central sandhills, I surprised a six-lined racerunner (Cnemidophorus sexlineatus, so named for the lines that run the length of its body) basking in a wheel rut.
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