In September, Tara Dower became the fastest person ever to complete the Appalachian Trail. Her record — 40 days, 18 hours and 6 minutes — was 13 hours faster than the previous record holder, a man.

Anne Marie Chaker’s new book debunks myths about women’s bodies and shows how strength training helps their health and careers. Arnold Schwarzenegger just endorsed it. Women are the stronger sex, says ...