road runner
Noun
Meaning
someone who participates in long-distance races (especially in marathons)
Source: WordNetSynonyms
Hypernyms
Examples
It typically showed a tall, red, angry-looking lump that resembled something out of a Road Runner cartoon after the coyote gets hit on the head by a falling boulder.
Or just enjoy any cartoon where Wile E. Coyote is in pursuit of Road Runner or Sylvester the Cat chases Tweety Bird.