The 80-year-old Ironman triathlon finisher who isn't slowing down: 'This is my passion'

Natalie Grabow became the oldest woman ever to finish the grueling, 140.6-mile Ironman World Championship triathlon last ...

When Is It Too Cold to Run Outside? We Have Your Questions Covered

Butler points out that another common mistake people make is waiting too long to get warm after a run. Athletes are encouraged to immediately get out of the cold and put on warm, dry clothes. Sipping ...