India, Oct. 20 -- 80-year-old Natalie Grabow, from the United States of America, is breaking stereotypes about ageing and competing in intense sports, inspiring millions of older people to get their fitness levels back on track.

Natalie recently competed and completed the Kona Ironman World Championship in Hawaii. She completed the course, which you have to finish in under 17 hours, in 16 hours, 45 minutes, and 26 seconds, setting a record for the oldest female to finish the biggest, full-distance triathlon event in the world.

While her achievement is inspiring, Natalie did not reach these fitness levels in one day. She honed her skills over the years. On October 15, she told Business Insider that she was always active, participating in...