Natalie Frost, left, and Jillian Schmelzer - both Winthrop senior captains - walk off the Augusta Civic Center court after the Ramblers defeated Old Orchard Beach in a Class C South semifinal game Thursday afternoon. The top-seeded Ramblers advanced to the regional championship game Saturday, when it will meet No. 2 Boothbay.

Winthrop sophomore guard Maddie Perkins dribbles the ball during a Class C South semifinal game Thursday at the Augusta Civic Center.

Winthrop senior Aaliyah WilsonFalcone, left, runs away from an Old Orchard Beach defender during a Class C South semifinal game Thursday at the Augusta Civic Center.

Winthrop head coach Joe Burnham talks to his team during a timeout in a Class C South semifinal game Thursday at the Augusta Civic Center.

Old Orchard Beach's Jessie Lavigne, left, tries to stop Winthrop junior Madison Forgue during a Class C South semifinal game Thursday at the Augusta Civic Center.

Orchard Beach's Jessie Lavigne, left, and Winthrop senior Natalie Frost stretch for the opening tip of a Class C South semifinal game Thursday at the Augusta Civic Center.

Traip Academy's Emma Ackerman, left, is consoled by Eva Sumison as time runs out in a loss to Boothbay.

Boothbay's Chloe Arsenault, left, defends Traip Academy's Addy Hale.

Traip Academy's Addy Hale Agoes to the basket against Boothbay's Chloe Arsenault.

Boothbay's Glory Blethen, left, and Joelyn Crocker try to grab a rebound from Traip Academy's Kiki Huntress.

Boothbay's Glory Blethen tries to clock a shot by Traip Academy's Kiki Huntress.

Boothbay's Joelyn Crocker gets her shot blocked by Traip Academy's Marlee Sumsion.

Traip Academy's Marlee Sumsion, 43, strains for rebound against Boothbay.

Boothbay's Glory Blethen shoots over Traip defenders.