We can help you find part-time coaching or instructing gigs that are right for you in your local area. There are plenty of great part-time job opportunities in fitness and many gyms love hiring fit and upbeat college students to lead their classes. Fitness is growing in popularity as our country strives to be healthier and healthier. Thus, the demand for instructors, coaches, and teachers is growing. If you're physically fit and care about the health of other individuals, then a part-time job in fitness might be great for you.