Former IRONMAN World Champion Mark Allen shares expert advice for older athletes looking to maintain performance as they age.

In 1995, Mark Allen was struggling to make history. At age 37, he sought to become the oldest person to win the Ironman triathlon. Please watch the video at Investors.com - Remembering Bill O'Neil ...

Mark Allen has become just the 11th player to score a maximum 147 break at the Snooker World Championship, with his incredible effort handing a spectator £25,000. Allen made the remarkable break ...