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I LOVE the 12:3:30 trend! 12 incline, 3mph, for 30 minutes on the trea... | 12 3 30 Workout | TikTok
What to know about the TikTok-famous '12-3-30' treadmill workout - ABC News
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I DID 12-3-30 FOR 2 MONTHS AND THESE ARE MY RESULTS!! | Lauren Giraldo Treadmill Routine - YouTube
Horizon Fitness - You've likely heard of the 12-3-30 treadmill workout craze. What is it, exactly? 12% Incline 3.0 MPH Speed 30 Minutes It's easy enough to not be intimidating, but challenging
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