Animal Kingdom will go into the Queen Anne Stakes at Royal Ascot on Tuesday as favourite when he heads a field of 13.
The horse, trained in the United States, won the 2011 Kentucky Derby and also this year's Dubai World Cup. He will be looking to add an Ascot win to his collection.
It's considered to be Animal Kingdom's final race as he's set to retire to stud but trainer Graham Motion is confident that the horse can cope with whatever conditions he may face.
"It's a huge challenge - there are so many unknowns," he told BBC Sport.
"If [the ground] was to come up soft that would be a concern for me. I think he'll handle it but he's never had to handle it before so it would be one more variable I don't want to deal with.
"It's been a great experience. It's very special and I feel very fortunate to be a part of it."
The Queen Anne Stakes will be the first race of the thirty that will be taking place over the five days at Ascot. 280,000 spectators are expected over the week with the Diamond Jubilee Stakes being the the marquee event on the final day, Saturday.
Elsewhere, Dawn Approach will feature in a field of nine in Tuesday's St James's Palace Stakes. The horse was favourite for the Epsom Derby last month before finishing last but is considered a contender in this race.
Irish Guineas winner Magician and Toronado are likely to challenge the 2000 Guineas winner. Racing correspondent Cornelius Lysaght believes the race will be a highlight of the five-day meet with the race having importance for all three contenders.
"The result is massively important for all three, and, all being well, it should provide one of the high points of the week."
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