Fifth-seeded Yarmouth High went on a 13-0 run in the first half en route to a 52-23 victory over No. 4 Mountain Valley in a Class B South girls’ basketball quarterfinal Saturday at the Portland Expo.

The Clippers (11-8) advance to the regional semifinals for the first time since 2005. They will play top-seeded Freeport at 3:30 p.m. Tuesday afternoon at the Expo.

The Clippers got 12 points from Katelyn D’Appolonia, 10 from Margaret McNeil and a combined 17 points from reserves Ava Feeley and Maya Panozzo.

Yarmouth built a 30-11 lead by halftime, capped by Panozzo’s 3-pointer just before the horn. Mountain Valley got as close as 15 in the third quarter, but the Clippers closed on an 11-1 run.

The Falcons (10-9) were paced by eight points from Kierstyn Lyons and seven apiece from Autumn Freeman and Rylee Sevigny.

Wells forward Grace Ramsdell looks to the basket between Lisbon defenders Giana Russo, left, and Maria Levesque during a Class B South girls’ basketball quarterfinal Saturday at the Portland Expo. Ramsdell had a double-double as the Warriors defeated the Greyhounds, 52-26. Bob Conn/The Times Record

WELLS 52, LISBON 26: Franny Ramsdell scored 24 points as the No. 3 Warriors (13-6) cruised past sixth-seeded Lisbon (11-8) in a Class B South quarterfinal at the Expo.

The Warriors outrebounded the Greyhounds 36-23 and received 11 points and 14 rebounds from Grace Ramsdell.

Giana Russo and Maria Levesque paced Lisbon with six points each.

Wells, which led Lisbon 27-13 at the half, advances to play No. 7 Maranacook in a regional semifinal at 2 p.m. Tuesday at the Expo.

FREEPORT 37, CAPE ELIZABETH 32: On an afternoon when standouts Caroline Smith and Rachel Wall were held to just 17 combined points, the top-ranked Falcons (15-4) relied on other contributors to hold off No. 8 Cape Elizabeth (8-11) in a Class B South quarterfinal at the Expo.

Mason Baker-Schlendering had 10 points, seven rebounds and four blocked shots, and Catriona Gould added six points.

Cape Elizabeth was paced by 12 points from Karli Chapin and eight from Isabel Berman.

MARANACOOK 43, OAK HILL 39: The seventh-seeded Black Bears (11-8) went 5 for 6 from the free-throw line in overtime to secure a win over the No. 2 Raiders (13-6) in a Class B South quarterfinal at the Expo.

A layup by Oak Hill’s Audrey Bauer in the final minute of regulation forced overtime, but the Raiders opened the extra session by scoring on their own basket. That was the only field goal in overtime for either team, and Maranacook eventually took the lead for good on a pair of free throws from Gabrielle Green, who finished with 17 points.

Bauer, Gabrielle Chessie and Anna Beach each scored seven points for Oak Hill.

Valley guard Emily Collins scored 11 points in the Cavaliers’ 39-24 victory over Forest Hills in the Class D South quarterfinals on Saturday. Joe Phelan/Kennebec Journal Buy this Photo

VALLEY 39, FOREST HILLS 24: Freshman Logan McDonald scored 15 points and Emily Collins added 11 to lead No. 3 Valley (9-10) past No. 6 Forest Hills (8-10) in a Class D South quarterfinal at the Augusta Civic Center.

Both teams started slowly, but the Cavaliers closed the second quarter on a 12-2 run to gain separation.

Taylor Fountaine led the Tigers with seven points.

Valley will meet No. 2 Rangeley at 10 a.m. Thursday in Augusta.

RANGELEY 49, VINALHAVEN 24: The second-seeded Lakers (17-2) went on an 11-0 run in the first quarter and coasted past No. 7 Vinalhaven (4-15) in a Class D South quarterfinal in Augusta.

Sophomore guard Winnie LaRochelle led Rangeley with 16 points, and Lauren Eastlack added 13 points.

Vinalhaven was led by Jordan Hoose with eight points.

OLD TOWN 44, HOULTON 34: Maddy Emerson powered the offense for the fourth-seeded Coyotes (14-5) with 17 points – 13 in the second half – as they downed the fifth-seeded Shiretowners (12-8) in a Class B North quarterfinal at Cross Insurance Center.

Hannah Richards chipped in with 11 points.

Teagan Ewings and Rebecca Howe had nine points apiece for Houlton.

HERMON 42, JOHN BAPST 34: The top-seeded Hawks (18-1) scored all eight points in overtime to fight off the ninth-seeded Crusaders (11-9) in a Class B North quarterfinal at Cross Insurance Center.

Grace Page paced Hermon with 14 points. Charlotte Caron and Megan Tracy tossed in eight apiece.

Lacey Scanlon had 10 points for John Bapst, while Jamie McQuarrie had nine, including eight in the fourth quarter.