Briar Woods and Loudoun Valley high schools will face strong challenges Dec. 7 when they take the field for their respective Virginia High School League state semifinal games.
Briar Woods - making its fourth consecutive semifinal appearance - will face a North Stafford team that handed the Falcons their only loss of the season, 19-7 on Sept. 20.
The Falcons bounced back to win their next nine games and have won 41 of their last 42 contests overall.
Loudoun Valley is making its first appearance in the state semifinals. The Valley Vikings have won 10 of their last 11 games entering Saturday's showdown with the Northside Vikings.
Here is more on both semifinal matchups, including a game-by-game rundown of Briar Woods' 18-game postseason win streak.
Northside (12-1) vs. Loudoun Valley (11-2)
-What: Virginia 3A semifinal
-When: Saturday at 2 p.m.
-Where: Loudoun Valley H.S. (340 N. Maple Ave. in Purcellville)
-Coaches: LV - Danny McGrath; NHS - Burt Torrence
-Avg. Points scored: N 35.3; LV 27.9
-Avg. Points allowed: N 11.8; LV 12.7
-Previous playoffs: LV (2012 first round); NHS (2012 second round)
-Other 3A semifinal: James Monroe (9-4) vs. Heritage-Lynchburg (13-0)
-State final: Dec. 14, noon at Liberty University
def. Brookville, 55-14
def. Monticello, 33-27
def. Magna Vista, 19-7
def. William Monroe, 41-12
def. Hopewell, 25-13
def. Central, 34-6
North Stafford (11-2) vs. Briar Woods (12-1)
-What: Virginia 5A semifinal
-When: Saturday at 1:30 p.m.
-Where: John Champe H.S. (41535 Sacred Mountain Street in Aldie)
-Coaches: BW - Charlie Pierce; NS - Joe Mangano
-Avg. Points scored: NS 32.8; BW 41.7
-Avg. Points allowed: NS 12.8; BW 10.1
-Previous playoffs: BW (2012 D4 state champs); NS (2012 D5 state semifinalists)
-Other 5A semifinal: Salem-Virginia Beach (11-2) vs. L.C. Bird (13-0)
-State final: Dec. 14, 12:07 p.m. at the University of Virginia
def. Thomas Jefferson, 43-7
def. Tuscarora, 39-20
def. Massaponax, 42-21
def. Potomac Falls, 57-0
def. Mountain View, 49-7
def. Broad Run, 37-34 (2 OT)
Briar Woods' postseason streak
Potomac Falls, 57-0
Mountain View, 49-7
Broad Run, 37-34 (2 OT)
Loudoun County, 31-0
Park View, 49-21
Loudoun County, 29-19
Orange County, 53-7
Broad Run, 24-21
*Virginia Division 4 state championship game