There are plenty of synonyms for the phrase "in second" that can be used to add variety and depth to your writing. For example, you could replace it with terms like "runner-up," "next-best," or "second place." Other options include "silver medalist," "next in line," and "close behind." Using these synonyms can help to emphasize the importance of an individual or group's ranking, and can add more weight to their achievements or performance. Whatever your choice of synonym, make sure that it is used appropriately and accurately conveys the intended meaning to your readers.