Antonyms for "goes ahead of" would be "falls behind," "lags behind," "follows," "trails," "comes after," "leaves last," or "brings up the rear." These antonyms imply that something or someone is not leading or taking the lead. Falling behind or coming after usually indicates a lack of progress or achievement, while trailing or following typically denote a sense of direction or guidance. Bringing up the rear or leaving last can also suggest a sense of loss, failure, or lack of importance. In contrast, goes ahead of signals a sense of decisiveness, purpose, and leadership.