A new workout trend is gaining in popularity, particularly among TikTok users. If you’ve seen the hashtag #12330 pop up on the video platform and wondered what it means, it refers to a new cardio ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Walking treadmill workouts are an easy way to jumpstart ...

What is the 12-3-30 fitness routine? "The most goated cardio formula" @brazaussie dubbed the 12-3-30, “the most goated cardio formula,” in a post from June 9 that has 563 thousand views. “Whoever came ...

“Walking is the best form of exercise you can do,” says Dr Elroy Aguiar, an assistant professor of exercise science at The University of Alabama. “It’s easily accessible, with a low barrier to entry ...

Over on the fitness side of TikTok, a seemingly simple treadmill workout has become the latest obsession. The 12-3-30 workout, as it’s called, was created by lifestyle influencer Lauren Giraldo, and ...

You may have noticed people talking about the viral “12-3-30″ workout on social media recently, or seen the workouts for yourself at the gym (they’ll be the people walking at a very high incline on ...

This is Runner’s World. We love to run. And we love to promote its myriad benefits for body and mind.. But do you know what’s also pretty great? Walking – specifically, walking up a steep gradient. If ...

A fitness trend that took TikTok by storm, racking up more than 14 million views, may have some science behind it. The 12-3-30 treadmill workout, popularized by influencer Lauren Giraldo, promises a ...

July 23, 2025 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. Now, when you hear "walking workout," you probably think of the ...

If you were sceptical of the viral 12-3-30 treadmill workout, a new study directly comparing it to running has found that it burns more fat – despite expending the same number of calories. Published ...