2017 Glen Raines nthe Boston Marathon 22 miles 42.195 km dressed in In nothing but a faux fur loincloth and a necklace made of human and animal bones. And yes, he was barefoot. instantly dubbed "The Caveman' by fellow runners, Raines finished in a respectable He trained for over a year to toughen his feet and allow time for his hair to grow out. When asked why he did it, he replied that he just wanted to remind people that expensive running shoes and hi-tech athletic clothing are nice to have but are not as important as a balanced diet and determination. and allen that "Hay it wae fin!"