Santa Anita Handicap (G1) winner General Challenge, preparing for his next start in the San Bernardino Handicap (G2) on Sunday at Santa Anita Park, drilled five furlongs in :59 2/5 on Tuesday at Santa Anita Park.

The General Meeting gelding has won three of his four starts since finishing tenth in last year's Breeders' Cup Classic (G1), and is 9-for-15 lifetime.

Other worktab notables on Tuesday include Allen's Oop and Dixie Union. Allen's Oop, who won the New Orleans Handicap (G3) on March 5 at the Fair Grounds, went four furlongs handily in :46 3/5 at Oaklawn Park, the fastest of 14 workouts for the day at Oaklawn by 1 3/5 seconds.

Dixie Union, winner of three graded stakes last year, continued on the comeback trail from knee surgery, working five furlongs in 1:02 1/5 at Santa Anita Park. He has not raced since finishing fifth in last year's Breeders' Cup Juvenile (G1).