Barefoot running has been a large trend about ten years ago that lasted a couple of years which pulled in plenty of interest, particularly in social media. At the end of 2008 to early 2009 there were escalating promises that athletic shoes were in fact bad for the athletes and has been responsible https://documentarypulse.com/sports/running/running-shoes/secrets-from-the-lost-tribe-of-barefoot-runners/