In her early 30s, Rachael Sanborn found herself in a bad relationship and dreaming of an escape to the Camino de Santiago in Spain – a pilgrimage her father had undertaken that had profoundly changed his life. Sanborn, a rebel and adventurer by nature (she dropped out of college to meditate in India for a year), quit her job, gave up health insurance and pooled her savings to take two months to walk the Camino. By the third day of her walk, she promised herself she’d return every year. Nine months later, she was back, guiding her first group of eight pilgrims. A decade later, now 45 and residi…