The Gold Cup race today is the highlight of the Cheltenham Festival.
More than 200,000 people are expected to have attended the four-day race meeting, and bookies are hoping to have achieved a turnover of more than £600 million.
But amateur jockey JT McNamara remains in hospital in a coma after suffering a serious neck injury when his horse Galaxy Rock fell yesterday afternoon.
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Low levels of pollen today and tomorrow.
Cloud will build up from the east during the evening bringing intermittent rain.
Further outbreaks of rain are expected, perhaps heavy at times.