run as fast as (one's) legs can carry (one)(redirected from running as fast as his legs can carry him)
run as fast as (one's) legs can carry (one)
To run as fast as one possibly can. We ran as fast as our legs could carry us when we heard that a lion had escaped from its cage. I'll run as fast as my legs can carry me, but I don't think I'll make it to the train on time.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.