FOOTBALL
First games: Aug. 29
Defending champions: Valor Christian (5A), Loveland (4A), Palmer Ridge (3A), LaJunta (2A), Limon (1A), Sedgwick County (A8), Stratton/Liberty (A6)
2019 state championship games: A6, A8, 1A, 2A — Nov. 30; 3A — Dec. 7 at CSU-Pueblo; 4A and 5A — Dec. 7 at Broncos Stadium
CROSS COUNTRY
First meets: Aug. 22
Defending champions: Dakota Ridge (5A boys), Mountain Vista (5A girls), Centaurus (4A boys), Niwot (4A girls), Peak to Peak (3A boys), The Classical Academy (3A girls), Heritage Christian (2A boys), Lyons (2A girls)
2019 state championship meet: All-classification championships Oct. 26 at Norris-Penrose Center in Colorado Springs.
FIELD HOCKEY
First games: Aug. 29
Defending champion: Regis Jesuit
2019 state championship game: Oct. 31 at All-City Stadium in Denver
BOYS GOLF
First tournament: Aug. 8
Defending champions: Fossil Ridge (5A), Montrose (4A), Aspen (3A)
2019 state championship tournaments: Oct. 7, 8 — 5A at Pinehurst Country Club in Denver, 4A at The Bridges in Montrose, 3A at Eisenhower Golf Club at Air Force Academy
GYMNASTICS
First meet: Aug. 22
Defending champions: Pomona (5A), Niwot (4A)
2019 state championship meet: 4A — Nov. 8-9 at Thornton High School; 5A — Nov. 7-9 at Thornton High School
BOYS SOCCER
First games: Aug. 22
Defending champions: Arapahoe (5A), Air Academy (4A), Kent Denver (3A), Crested Butte (2A)
2019 state championship games: Nov. 16
SOFTBALL
First games: Aug. 15
Defending champions: Legend (5A), Holy Family (4A), Strasburg (3A).
2019 state championship games: All classifications Oct. 25-26 at Aurora Sports Park
BOYS TENNIS
First match: Aug. 15
Defending champions: Regis Jesuit (5A), Colorado Academy (4A)
2019 state championship tournament: 4A — Oct. 17-19 at Pueblo City Park; 5A — Oct. 17-19 at Gates Tennis Center in Denver
VOLLEYBALL
First match: Aug. 22
Defending champions: Valor Christian (5A), Lewis-Palmer (4A), Lutheran (3A), Yuma (2A), Kit Carson (1A).
2019 state championship tournament: All classifications Nov. 14-16 at Denver Coliseum