Today, millions of women and girls around the world enjoy running and entering races. It wasn't always so: - In 1961, when Julia Chase edged to the start of a Connecticut 5-miler, officials tried to push her off the road. - At the 1966 Boston Marathon, Roberta Gibb hid behind a forsythia bush, worried that police might arrest her. - The next year at Boston, Kathrine Switzer was assaulted mid-race by a furious race organizer. - In the mid-60s,...