Who’s the Star, rallying from last place following a sluggish start, roared past his seven rivals to record an impressive victory in Saturday’s Grade 3, 1 1/6-mile Durham Cup.

The 4-year-old gelding, one of three horses in the field trained by Mark Casse, was making his first start on a synthetic surface and finished in a track record time of 1:40.73 while scoring by a half-length over Artie’s Storm, in the $157,500 event.

“I knew this horse would come running on in, that’s what he did the last time he was here,” said jockey Emma-Jayne Wilson, who was recording her second straight upset stakes score with the 9-1 Who’s the Star after capturing the Niagara over 1 ¼ miles on the E.P. Taylor course at 13-1 in their first partnership. The Kentucky-bred had finished a non-threatening eighth when making an interim appearance in the Grade 2, 1 ½-mile Kentucky Downs Turf Cup.

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