Summary: Chau Smith was in the Vietnam war, runs with shrapnel in her leg, and worked multiple jobs simultaneously, all while she raised her two daughters in a country she was still learning to understand as a single parent. Chau is one of the toughest women I have ever met, and she shares her story of running 7 marathons in 7 continents in 7 days for her 70th birthday. What are you waiting for?