Olga Kotelko was a famous nonagenarian athlete. She held twenty-six world records for World Masters track and field events and won 750 gold medals. She started competing in track and field events at age 77. She was an amazing athlete who held 17 world records in the 90-95 year old age category. Below is a video interview with Olga Kotelko:
You can read more about Olga Kotelko and about her secrets to successful aging in: "What Makes Olga Run?" by Bruce Grierson. You can borrow this book from the Pasco County Library System.