Iowa high school boys' basketball district, substate pairings: 3A, 4A

The IHSAA officially released Class 3A and 4A boys' basketball pairings Friday following Wednesday's coaches seeding meetings.

Coaches determined pairings this year after the IHSAA assigned teams into substates.

Postseason play tips off in 3A and 4A on Monday, Feb. 20. District finals in 3A take place Thursday, Feb. 23, with 4A substate semifinals following Friday, Feb. 24.

Substate finals are Monday, Feb. 27 in 3A and Tuesday, Feb. 28 in 4A, with winners advancing to the state tournament at Wells Fargo Arena in Des Moines, which is March 6-11.

Games below are 7 p.m. tips unless otherwise noted. Rankings are via The Gazette's latest poll.

Class 1A and 2A pairings were released last week.

Class 3A

DISTRICT 1

Semifinals

No. 7 Sioux City Heelan vs. MOC-Floyd Valley (at Le Mars), 6:30 p.m.

Storm Lake at Le Mars, 8 p.m.

Final

At Sioux City Heelan

DISTRICT 2

Semifinals

Spencer at No. 6 Spirit Lake, 8 p.m.

Sergeant Bluff-Luton vs. Algona (at Spirit Lake), 6:30 p.m.

Final

At Spirit Lake

SUBSTATE 1 FINAL: At Tyson Event Center, Sioux City

DISTRICT 3

Semifinals

Humboldt at Boone, 8 p.m.

Perry vs. Gilbert (at Boone), 6:30 p.m.

Final

At Boone

DISTRICT 4

Semifinals

Greene County at No. 10 Dallas Center-Grimes, 8 p.m.

Webster City vs. Ballard (at Dallas Center-Grimes), 6:30 p.m.

Final

At Dallas Center-Grimes

SUBSTATE 2 FINAL: At Johnston

DISTRICT 5

Semifinals

Iowa Falls-Alden at No. 2 Waverly-Shell Rock, 8 p.m.

Decorah vs. Union (at Waverly-Shell Rock), 6:30 p.m.

Final

At Waverly-Shell Rock

DISTRICT 6

Forest City vs. Independence (at Charles City), 6:30 p.m.

Crestwood at Charles City, 8 p.m.

Final

At Forest City

SUBSTATE 3 FINAL: At Aplington-Parkersburg

DISTRICT 7

Semifinals

West Liberty at Davenport Assumption, 8 p.m.

Dubuque Wahlert vs. Solon (at Davenport Assumption), 6:30 p.m.

Final

At Davenport Assumption

DISTRICT 8

Semifinals

Maquoketa at No. 5 Mount Vernon, 8 p.m.

Cedar Rapids Xavier vs. DeWitt Central (at Mount Vernon), 6:30 p.m.

Final

At Mount Vernon

SUBSTATE 4 FINAL: At U.S. Cellular Center, Cedar Rapids, 6:30 p.m.

DISTRICT 9

Semifinals

Clear Creek-Amana at No. 1 West Delaware, 8 p.m.

South Tama vs. Vinton-Shellsburg (at Center Point-Urbana), 6:30 p.m.

Final

At West Delaware

DISTRICT 10

Semifinals

Williamsburg at Center Point-Urbana, 8 p.m.

Benton Community vs. Marion (at West Delaware), 6:30 p.m.

Final

At Center Point-Urbana

SUBSTATE 5 FINAL: At U.S. Cellular Center, Cedar Rapids, 8 p.m.

DISTRICT 11

Semifinals

Keokuk at No. 4 Mount Pleasant, 8 p.m.

Chariton vs. Fort Madison (at Mount Pleasant), 6:30 p.m.

Final

At Mount Pleasant

DISTRICT 12

Semifinals

Washington (Iowa) at Oskaloosa, 8 p.m.

Knoxville vs. Fairfield (at Oskaloosa), 6:30 p.m.

Final

At Oskaloosa

SUBSTATE 6 FINAL: at Fairfield (if playing, TBD)

DISTRICT 13

Semifinals

Saydel at No. 3 Pella, 8 p.m.

Nevada vs. Carlisle (at Pella), 6:30 p.m.

Final

At Pella

DISTRICT 14

Semifinals

North Polk at Grinnell, 8 p.m.

Norwalk vs. Bondurant-Farrar (at Grinnell), 6:30 p.m.

Final

At Grinnell

SUBSTATE 7 FINAL: At Newton

DISTRICT 15

Semifinals

Winterset at No. 8 Atlantic, 8 p.m.

Adel ADM vs. Harlan (at Atlantic), 6:30 p.m.

Final

At Atlantic

DISTRICT 16

Semifinals

Denison-Schleswig at No. 9 Glenwood, 8 p.m.

Carroll vs. Creston (at Glenwood), 6:30 p.m.

Final

At Glenwood

SUBSTATE 8 FINAL: At Harlan (if playing, TBD)

Class 4A

SUBSTATE 1

Quarterfinals

Sioux City North at Sioux City West

Council Bluffs Jefferson at Lewis Central

Semifinals

North/West winner at No. 4 Sioux City East

Jefferson/Lewis Central winner at Council Bluffs Lincoln

Final

At Tyson Events Center, Sioux City

SUBSTATE 2             

Quarterfinals

Southeast Polk at Ankeny

Des Moines East at Fort Dodge

Semifinals

SEP/Ankeny winner at No. 3 Waukee

East/Fort Dodge winner at Des Moines North

Final

At Dallas Center-Grimes

SUBSTATE 3

Quarterfinals

Waterloo East at Mason City

Marshalltown at Cedar Falls

Semifinals

East/Mason City winner at Cedar Rapids Kennedy

Marshalltown/Cedar Falls winner at Cedar Rapids Prairie

Final

At U.S. Cellular Center, Cedar Rapids, 8 p.m.

SUBSTATE 4

Quarterfinals

Cedar Rapids Washington at Waterloo West

Western Dubuque at Cedar Rapids Jefferson

Semifinals

Washington/West winner at No. 5 Dubuque Senior

WD/Jefferson winner at No. 6 Dubuque Hempstead

Final

At TBD

SUBSTATE 5

Quarterfinals

Pleasant Valley at Clinton

Iowa City High at Linn-Mar

Semifinals

PV/Clinton winner at No. 1 Iowa City West

City High/Linn-Mar winner at Muscatine

Final

At U.S. Cellular Center, Cedar Rapids, 6:30 p.m.

SUBSTATE 6

Quarterfinals

Davenport West at Davenport North

Burlington at Davenport Central

Semifinals

West/North winner at No. 10 Bettendorf

Burlington/Central winner at No. 9 North Scott

Final

At Davenport Central (if playing, at Davenport West)

SUBSTATE 7

Quarterfinals

Urbandale at Newton

Des Moines Lincoln at Johnston

Semifinals

Urbandale/Newton winner at No. 8 West Des Moines Dowling

Lincoln/Johnston winner at Ames

Final

At Ankeny (if playing, at Waukee)

SUBSTATE 8

Quarterfinals

Ottumwa at Des Moines Roosevelt

Indianola at Ankeny Centennial

Semifinals

Ottumwa/Roosevelt winner at No. 2 Des Moines Hoover

Indianola/Centennial winner at No. 7 West Des Moines Valley

Final

At Ankeny Centennial (if playing, at West Des Moines Valley)