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Marie Claire
Marie Claire
Lifestyle
Ashleigh Spiliopoulou

The Viral Pilates by Izzy Challenge is Known as One of the Toughest—I Tried It for 25 Days, and My Core Strength Has Skyrocketed

Pilates by Izzy.

You don’t need to scroll far on YouTube to stumble across a Pilates workout. From classical mat routines to hybrid sessions that blend yoga and strength training, there’s something to be found on the platform for everyone. It’s why when one instructor’s name keeps popping up across social media, my curiosity as a health writer kicks in.

That’s exactly what happened with Izzy Samuel, the Perth-based Pilates instructor whose workouts have taken over TikTok and YouTube. Since launching her channel in late 2024, she’s already amassed over half a million subscribers, thanks, in large part, to her signature 25-day challenge, which combines traditional Pilates principles with resistance training over a series of twenty-five daily 25-minute workouts.

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