July 1, 2015 James Allchurch Events, Guided Runs The Ibiza Challenge: 4 Marathons 4 Days July 1, 2015 James Allchurch Events, Guided Runs Just 3 years after suffering a near fatal brain injury, Paul Spence set himself the challenge of completing 4 marathons in 4 days around the island of Ibiza in May 2015 to raise awareness and funds for his pioneering PAUL For Brain Recovery charity.