Viral Treadmill Workout: The '12-3-30' Method Claims Impressive Calorie Burn

A recent viral video by user 'brazaussie' has put the spotlight back on the '12-3-30' treadmill workout, with the creator expressing astonishment at its calorie-burning potential. The video, uploaded on June 9, 2025, shows the user engaging in the routine, which involves setting the treadmill to an incline of 12, a speed of 3 mph, and walking for 30 minutes. The on-screen display indicated a burn of approximately 500 calories within the 30-minute timeframe. The creator, known as Jeremiah, shared their personal experience, stating, "whoever came up with the 12-3-30 method rlly cooked cuz how did I just burn 500 CALORIES in 30 MINS???" The video quickly garnered significant attention, accumulating over 633,900 views and 66,900 likes, highlighting a strong public interest in effective and accessible cardio routines. Fitness experts often note that individual calorie burn can vary based on factors like weight, age, and fitness level, but the 12-3-30 method is widely recognized for its effectiveness in cardiovascular health and weight management.

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