Ryan Mania will be onboard Auroras Encore for the Scottish Grand National at 3.50pm this afternoon.
He is bidding to become the first horse to follow up an Aintree Grand National victory with a triumph at Ayr since Red Rum in 1974.
There is also racing this afternoon in Naas and Tramore.
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The first one in Nass goes to post at 2.15pm while the opening race in Waterford gets underway at 2.25pm.