Shahzada (horse race)

The Shahzada Memorial Endurance Test is a horse race that has been held annually at St. Albans, New South Wales, Australia since 1981. 
It is an endurance race, where competitors must complete a cross-country route.
The race is described as the longest endurance race in the world.
It is named after a purebred Arabian stallion Shahzada (GB) foaled in 1913, winner of two 300 mile endurance races carrying 13½ stone. He was imported to Australia from England in 1925.