Matthew Hayden, the World Cup's leading scorer with 659 runs, has already stated that he will continue his career, although he is 35 years old.

BBC: Ponting expects continued success

Dr. Walter Bortz, author of the books "Dare to be 100" and "Living Longer for Dummies" is 77 years old, but he has run a marathon every year for the last 35 years.

CNN: The new face of fitness is getting older