AUGUSTA – Colby Knapp led three players in double figures with 14 points as top-seeded Dirigo of Dixfield ousted No. 4 Boothbay 48-45 in overtime in an Western Maine Class C boys semifinal at the Augusta Civic Center Thursday night.

Thomas Knight netted 12 points and Enrico Ross 11 for the Cougars.

Kris Noonan scored 18 points and Joe Farrin 14 to pace Boothbay.

Boothbay (18-2) 45

Harriman 0-2-2, Stover 2-1-5, Vanderlaan 3-0-6, Andrews, Farrin 7-0-14, Noonan 7-4-18

Dirigo (19-1) 48

Crutchfield, Gagnon 2-0-5, Fensterwalker, Ross 3-4-11, Law 2-1-6, Knapp 5-4-14, Knight 5-0-12, Chiasson, Kersey

3-pt. goals: Gagnon, Law, Knight 2

Boothbay 13 19 29 43 45

Dirigo 3 20 34 43 48

Winthrop 59, Traip Acad. 46

At Augusta, Sam Leclerc poured in 19 points and Larry Foster 15 as No. 2 Winthrop ousted No. 3 Traip Academy of Kittery.

Tim Gingras chipped in 10 points for the Ramblers.

Eric Modka scored 16 points and Tyler Metevier 14 for the Rangers.

Traip Academy (17-2) 46

Laclair, Metevier 5-2-14, Connor 2-0-5, Abbott 3-0-6, Scaronia, Allen, Modka 7-2-6, Masury, Nay, Higgins 1-3-5, Mortimer, Lee-Goldstein

Winthrop (19-1) 59

Steele, Gingras 4-2-10, Foster 6-1-15, Farrington 1-0-2, Gordon, Smithgall 1-0-2, Ketchen 1-0-2, Conant, Morang, Mullen, Emery, Damm 4-0-9, Whaley, Leclerc 7-3-19

3-pt. goals: Metevier 2, Connor; Foster 2, Damm

Traip Acad. 8 22 34 46

Winthrop 14 21 41 59

WM Class D

Vinalhaven 59, Valley 49

At Augusta, Claire Carter connected for 15 points as No. 3 Vinalhaven upended No. 2 Valley of Bingham.

Amelia Davidson added 10 points for the Vikings.

Morgan Staples tossed in 25 points and Cindy Schultz 13 for Valley.

Vinalhaven (15-5) 59

Guptill 1-0-2, Conway 3-2-8, Davidson 3-2-10, Carter 4-7-15, Guptill 2-3-7, Cardage, Conway 0-1-1, Chilles, Young 1-5-7, Moyer 4-1-9, Watt

Valley (13-6) 49

Rich, Brown, Atwood 2-0-4, Lawyerson 1-0-3, Staples 8-5-25, Schultz 4-3-13, Vitalone 1-0-2, Belanger, Brown 0-2-2, Hackley, Fortin, Costello

3-pt. goals: Davidson 2; Staples 4, Schultz 2, Lawyerson

Vinalhaven 7 18 34 59

Valley 11 28 36 49

Buckfield 33, Richmond 19

At Augusta, Ashlee Hamann scored nine points and Kelsey Farrington eight to lead undefeated and top-ranked Buckfield into the Western Maine finals.

Megan DeRaps scored seven points for No. 4 Richmond.

Richmond (13-7) 19

Lancaster, Russell 2-0-4, Chaisson, Christie, Bonikis, Schaner 1-1-3, Williams, O’Brien 1-0-3, Hurley 1-0-2, Rice, Brickman, DeRaps 2-3-7

Buckfield (20-0) 33

Jones, L. Henderson 2-2-6, Abbott, A. Henderson 0-4-4, Hamann 2-5-9, Reuter, Jones 2-0-4, Farrington 3-2-8, Newton, Eastman 1-0-2, Patrie, Carlisle, Martin

3-pt. goals: O’Brien

Richmond 0 13 13 19

Buckfield 6 15 18 33

WM Class C

Monmouth 46, Waynflete 41

At Augusta, Alyssa Morin scored 16 points to lead second-ranked Monmouth Academy past No. 3 Waynflete of Portland.

Merisa Beaulieu chipped in 11 points for the Mustangs.

Margaret Veroneau tossed in 22 points for Waynflete.

Waynflete (17-3) 41

Russell 2-0-4, Woodhouse 3-1-7, M. Woodhouse 3-1-7, A. Woodhouse 4-0-8, Qazi, Veroneau 7-5-22, Stegemann, Pope, Sobel

Monmouth (18-2) 46

Armstrong 1-5-7, Neal, Lola 1-4-6, Woodman 2-2-6, Beaulieu 5-2-11, Morin 8-0-16

3-pt. goals: Veroneau 3

Waynflete 10 15 24 41

Monmouth 7 21 32 46

Madison 69, St. Dominic 24

At Augusta, Margo Russell led four players in double figures with 17 points as top-ranked Madison rolled.

Briann Emery scored 14 points, Lacey Ashbrook 13 and MyKayla Stoutamyer 10 for the Bulldogs.

Allaina Murphy led No. 5 St. Dom’s of Auburn with eight.

St. Dominic (12-8) 24

Pare, Bowie 0-1-1, Gosselin 1-0-2, Cat. Joseph 0-3-3, Car. Joseph, Richardson, Murphy, Theriault, Murphy 3-0-6, Whitney 1-0-2, Applegate 1-0-2, Murphy 4-0-8, Cullen, Robinson

Madison (19-1) 69

Hebert 2-0-4, Rich 1-0-2, Thibodeau 1-1-3, B. Stoutamyer 1-0-2, M. Stoutamyer 4-0-10, Russell 1-2-4, Ashbrook 5-0-13, Hayden, Hutchings, Emery 6-2-14, Russell 6-5-17, Smith

3-pt. goals: Ashbrook 3, M. Stoutamyer 2

St. Dominic 8 17 22 24

Madison 12 33 59 69