Horse racing news: William Hill put up £500,000 bonus in new Randox Grand National series

William Hill are thrilled to unveil the ground-breaking ‘William Hill Half a Mill’ Randox Grand National bonus series, which offers £500,000 to connections of any horse that can complete a famous trial and Grand National double in the same season.

The lucrative bonus is available to the winners of the William Hill Becher Chase at Aintree, the William Hill Classic Chase at Warwick and the William Hill Grand National Trial at Haydock – if they can go on to triumph in the Randox Grand National at Aintree on Saturday April 11, 2026. 

It will see the prize money for the world’s greatest race double to £1million.