After Friday and Saturday's girls basketball regional championships, the winners advance to the state semifinals Thursday and Friday at UMBC.

Three 2013 state champions will try to defend their titles -- No. 2 Aberdeen, Calvert and Dunbar. In Class 4A, Walt Whitman knocked out defending champion Gaithersburg.

Here is the schedule for the state semifinals:

Thursday, March 7


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Class 4A

Poly vs. Walt Whitman, 3

Eleanor Roosevelt vs. North Point, 5

Class 3A

Aberdeen vs. Damascus, 7

River Hill vs. Friendly, 9

Friday, March 8

Class 2A

Randallstown vs. Middletown, 3

Patterson Mill vs. Calvert, 5

Class 1A

Western Tech vs. Southern-Garrett, 7

Dunbar vs. Mardela, 9