A Dog taking part fly through the air at a Dock Jumping event at the Duchess County Fair, Rhinebeck, New York on the 30th August 2009. Mixing playing fetch with splashing around in water these dogs at the Duchess County Fair, Rhinebeck, New York are having a whale of a time. Combining two of man's best friends favourite things dock jumping involves each pooch enthusiastically following a toy, or chase item and then throwing themselves off the 40 foot runway, or dock. Gaining popularity in America and on this side of the Atlantic, dock jumpers have the distanced measured so they can compete for best leaper in show. Like the long jump, each jump is measure from the end of the docks runway to the point where the dog's tail lands in the 4-foot deep pool. [CFP]