An Irish ultra runner who is the only man on the planet to run seven marathons in less than seven days on seven continents, is expected to break his own record today.

The only man on the planet to run seven marathons in less than seven days on the seven continents is aiming to go one better by smashing the five-day barrier.

An Irish ultra distance runner today became the first athlete to crack the world’s ultimate endurance race – seven marathons on seven continents in seven days.