Yes, it is possible for a personal trainer to earn $100,000 annually, but achieving this level of income typically requires considerable experience, a strong and loyal client base, and often working in high-end gyms or private settings. According to data from the US Bureau of Labor Statistics, the median annual wage for fitness trainers and instructors was approximately $40,000 as of 2015. However, many successful trainers who build their reputation and expand their services through personal training, group classes, online coaching, or specialized certifications can significantly increase their earnings, with some reaching or exceeding the $100,000 mark. Factors such as location, niche specialization, and marketing skills also play crucial roles in reaching higher income levels in this profession.