Best in the field of 11, the 4-year-old bay colt crossed the wire in 1:05.39 with jockey Xavier Perez up at 10-1 odds and earned $17,400 for owner Willie Mae Limehouse.
Out of the Houston Union mare Classic Bel, Asalor was bred in South Carolina by T. C. Limehouse. The Hamilton Smith trainee debuted Jan. 18 at Laurel Park and made seven starts before reaching the winner's circle at Colonial.
Asalor's record now stands at 1-1-2 from eight starts with earnings of $39,760.
Eleven-year-old Bias, who is out of the winning Danzig mare Rim, stands for a private fee at Wagers Farm in St. George, S.C.