Antonyms for the phrase "coming in first" would be any term that represents losing, finishing last, or being defeated. Examples of antonyms include coming in last, being the runner-up, finishing behind others, losing the race, and getting beat. Antonyms for "coming in first" can also include terms that suggest mediocrity or average performance, such as middle-of-the-pack, mediocre, commonplace, or ordinary. The opposite of being first can be disappointing, but it can also provide valuable lessons in perseverance and resilience. Regardless of the outcome, it's important to remember that participating in a competition is an opportunity to learn and grow, regardless of the result.