This 83-year-old has another Tough Mudder under her belt

"Muddy Mildred" is her name, and getting dirty is her game. Mildred Wilson, 83, completed her third Tough Mudder event earlier this month, finishing the Missouri 5K event. The Sikeston, Missouri, resident is the oldest person ever to complete a grueling Tough Mudder obstacle course. "I just enjoy them," Wilson told KFVS 12. "I've always enjoyed competition." Wilson said that after watching her son Danny compete in Tough Mudders, she didn't want to stay on the sidelines anymore. She finished her ...