As a dedicated runner, I rarely turn to TikTok for fitness ideas, but the viral 12-3-30 treadmill workout caught my attention. This workout, popularized by former actress and social media influencer Lauren Giraldo, has taken TikTok by storm, amassing millions of views and shares.
But what exactly is the 12-3-30 treadmill workout, what benefits does it offer, and what can you expect if you try it daily for a week? Lauren Giraldo created this routine to overcome her gym intimidation, saying, "I used to feel intimidated by the gym, but now I have this one routine that makes me feel good about myself."
