On April 21, 1918, some 150 women gathered at a popular hiking trail in Mill Valley, California, and made athletic history. The women had entered the inaugural “Dipsea Hike,” a long-distance cross-country running race along the seven-mile (11.25-kilometre) Dipsea Trail connecting Mill Valley to Stinson Beach in Marin County.[1] The “Hike” – so called to…