This woman has been my inspiration all this week since I read about her online. She's 75 years old and in fantastic shape. Per her bio, she and her sister laughed at themselves at how out-of-shape they were before her fit-journey began, and they vowed to change that (although her sister has since passed away).
She gets up early and runs 10 mi. every morning and goes to the gym four times a week, also. Amazing.