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There will be three rings running at this event from Friday until midday on Saturday . Two of the rings will be outdoors . From Saturday afternoon through Sunday , only the main indoor ring will be used . The running surface in the main ring is identical to the surfaces used at the 2011 and 2012 World Agility Open . The high-quality surface is a combination of mixed fibres and a high-grade industrial washed silica sand that are blended with a wax coating . The surface is rolled and well packed to provide secure and consistent footing for both handler and dog . The surface is dust free . The running surface in the outdoor rings is grass .