As the top prep races approach for the Kentucky Derby on May 3 at Churchill Downs, we take a look at 20 of the top horses on the trail.

Last year’s Grand National was won in fine style by the Willie Mullins-trained I Am Maximus, who, all being well, will be back at Aintree this April to defend his crown.

Rebel's Romance (Ire) (Dubawi {Ire}) launches his 7-year-old campaign in defence of his title in Saturday's US$2.5-million G3 ...