Organisers of the Cheltenham Festival say they're prepared for races to start today, despite the cold weather.
The whole track had to be covered to stop the ground from freezing, as a cold weather front sent recent temperatures tumbling below zero.
During last year's festival, five horses died.
The four day festival will attract an estimated 200,000 people.
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It will be staying mostly dry but very cold for the evening.
Dry with clear spells overnight. Frost and fog patches likely.