The phrase "runs circles around" is used to describe someone who is more skilled or accomplished than someone else. Antonyms for this phrase include "lags behind," "falls short," "struggles to keep up," "loses ground," and "is outmatched." These antonyms suggest a sense of inferiority or inability to compete with the person who "runs circles around" them. However, it is important to note that everyone has their strengths and weaknesses, and just because someone may fall short in one area does not mean they are not talented in other ways. It is important to focus on personal growth and improvement, rather than constantly comparing oneself to others.