75 Day Challenge Calendar – Over the years, thousands of people have participated in the 75-Day Hard challenge and have posted their transformations across social media, particularly on TikTok. Often referred to as ‘75 Hard’, . Over the years, thousands of people have participated in the 75-Day Hard challenge and have posted their transformations across social media, particularly on TikTok. Often referred to as ‘75 .
75 Day Challenge Calendar Pin on etsy promote your shop: The 75-Day Hard Challenge has become an infamous fitness trend on social media having amassed 44.7 million views on TikTok. The challenge involves following a series of strict rules for 75 days – but . The 75-Day Hard Challenge is having quite the moment on the video-sharing platform right now having clocked up over 44.7 million views. The method involves following a series of strict rules for 75 .