The English word "run" is not limited to legs. As it "runs amok" with many meanings -- well, hundreds of meanings, use different signs for meanings. For other meanings, see the other entries. Ref
Fun trivia: Of all the words in the English language, the English word 'set' has the most definitions, according to Guinness World Records. And the English word 'run' is a close second.
Definition: To go quickly by moving the legs more rapidly than at a walk.
Regional variation, used in the U.S. regions.
To run hurriedly.
Related signs: JOG/JOGGING, SPRINT, RUSH, HURRY, SCURRY, GALLOP, TROT.
For other meanings with "run": see OPERATE, run away, run into, run out, LEAVE/DEPART as in "I have to run.", LEAK as in "runny nose" or "faucet running", ......
First 100 words.
As you feel more comfortable with the first few hundreds of ASL signs, progress further with your vocabulary and learn signing more.