Did you know Abebe Bikila ran the 1960 Olympic marathon barefoot? His shoes fell apart before the race. He could not find a pair that fitted. So he took them off, ran barefoot, won Olympic gold, and set a world record. Four years later in Tokyo, he did it again. Another Olympic win. Another world record. This time in shoes. Today, that would be impossible. Modern shoes with carbon plates and super foams return so much energy that barefoot running just cannot compete for speed anymore. But barefo