By Lauren Gordon Austin, who won SI’s swim search in 2021, is known for prioritizing her mental health as well as her physical health. Taking even a short scroll through Instagram or a jaunt through TikTok timelines will prove that the “fitness influencer” sphere is a massive one. So what makes an instructor stand out when there are a dime a dozen out there? Balance. And Katie Austin, a fitness and health instructor is all about maintaining it. Unlike many of her competitors, Austin leads with self-love, which means implementing healthy changes while still enjoying life to it’s fullest. Her un…