Indicating that he has bounced back quickly from his Feb. 28 victory in Dubai, Curlin worked five furlongs on Monday at Nad Al Sheba Racecourse. Curlin was timed in 1:02.60 for 1,000 meters by clockers at Nad Al Sheba, though getting a precise read on the time was difficult, since Curlin emerged through a bank of fog as he began his drill.