What is Challenge-X? The Challenge-X team are aiming to raise £250,000 for the Royal Marines Charitable Trust Fund They are doing this by supporting a Royal Marine and two endurance athletes as they attempt to qualify for and then complete the renowned Race Across America(RAAM) solo in 2013.

Known as the world's toughest bike race RAAM participants must undertake gruelling training for this ultra-marathon of nearly 3,000 miles, including completing a 1,350 mile qualifying Race Around Ireland in September 2012.

The two endurance athletes will be selected during a competitive endurance weekend in early 2012, details will follow soon, to register your interest please contact us.