In June 2014, Will Taylor was diagnosed with Duchenne Muscular Dystrophy, a severe muscle wasting condition for which there is no treatment or cure. Will is now 9 years old, and the condition is impacting on his mobility and his life. In a bid to help in finding an effective treatment for Will, his Mum and Dad, Sue and Sam, have set up this unique Challenge - the Longest Steepest Highest Quadrathlon.