June 2009 Charlie van Straubenzee, Henry’s younger brother, and Tom Brooksbank ran in the Kenyan (Safaricom) Marathon for the Henry van Straubenzee Memorial Fund. It was run through the Lewa Wildlife Conservancy near Mount Kenya, at an average altitude of 5,500 feet above sea level. This is a gruelling 26 miles in the African heat on uneven tracks inhabited by wild animals and where the risk of severe dehydration is an issue. With the majority of the run being uphill and a lot of the second half only being able to see each other, they managed to complete it in just less than 5 hours. 1000 runners started the race, 900 did half and only 100 completed the full marathon including themselves, making it one of the top 10 hardest in the world.