| Color codes: District 13 | Unit 123 (Chicago) | Unit 149 (WUMBA) | Unit 222 (Milwaukee) |
| 2011 | |||
| Jan 6-9 | 14 | Clive IA | sectional |
| Jan 14-16 | 8 | St. Charles MO | sectional |
| Jan 21-23 | 14 | Cedar Rapids IA | sectional |
| Feb 10-13 | 14 | Omaha NE | sectional |
| Feb 18-20 | 14 | Davenport IA | sectional |
| Mar 4-6 | 11 | Indianapolis IN | sectional |
| Mar 10-20 | Louisville KY | Nationals | |
| Mar 11-13 | 14 | Hills (Iowa City) IA | sectional |
| Mar 31 - Apr 3 | 14 | Clive IA | sectional |
| Apr 8-10 | 14 | Dubuque IA | sectional |
| Apr 11-17 | MidAtlantic | Gatlinburg TN | Regional |
| Apr 29 - May 1 | 14 | Ft. Dodge IA | sectional |
| May 3-8 | 11 | Cincinnati OH | Regional |
| May 6-8 | 14 | Cedar Falls IA | sectional |
| May 6-8 | 14 | Lincoln NE | sectional |
| May 6-8 | 14 | Rapid City SD | sectional |
| May 13-15 | 8 | St. Charles MO | sectional |
| May 20-22 | 14 | Mount Pleasant IA | sectional |
| May 24-30 | 14 | Bloomington MN | Regional |
| Jun 3-5 | 14 | Mason City IA | sectional |
| Jun 3-5 | 14 | Sioux City IA | sectional |
| Jun 3-5 | 14 | Bismarck ND | sectional |
| Jun 13-18 | 11 | Indianapolis IN | Regional |
| Jun 13-19 | 14 | StaC D-14 | STaC |
| Jun 20-26 | 8 | Rockford IL | Regional-Split |
| Jun 24-26 | 14 | Minneapolis MN | IN (0-300) event |
| Jun 28 - Jul 4 | 14 | Clive IA | Regional |
| Jul 6-10 | 14 | Minneapolis MN | Regional |
| Jul 11-17 | 11 | StaC D11 | STaC |
| Jul 15-17 | 14 | Cedar Rapids IA | sectional |
| Jul 21-31 | Toronto ON | Nationals | |
| Aug 1-7 | 14 | Omaha NE | Regional |
| Aug 5-7 | 13/222 | Dousman WI | sectional |
| Aug 8-14 | 8 | St. Louis MO | Regional |
| Aug 27-28 | 14 | Clive IA | IN (0-300) event |
| Sep 2-5 | 14 | Hills (Iowa City) IA | sectional |
| Sep 2-5 | 14 | Minneapolis MN | sectional |
| Sep 9-11 | 8 | Rockford IL | sectional |
| Sep 9-11 | 14 | Rapid City SD | sectional |
| Sep 15-18 | 14 | Clive IA | sectional |
| Sep 23-25 | 14 | Keokuk IA | sectional |
| Sep 23-25 | 14 | Spirit Lake IA | sectional |
| Sep 23-25 | 14 | Minneapolis MN | IN (0-300) event |
| Oct 14-16 | 8 | St. Charles MO | sectional |
| Oct 14-16 | 14 | Davenport IA | sectional |
| Oct 20-23 | 14 | Omaha NE | sectional |
| Oct 24-30 | 13/123 | Lake Geneva WI | Regional |
| Oct 27-30 | 11 | Cincinnati OH | sectional |
| Nov 11-13 | 14 | Cedar Falls IA | sectional |
| Nov 11-13 | 14 | Prior Lake MN | sectional |
| Nov 14-20 | 14 | StaC D-14 | STaC |
| Nov 18-20 | 11 | Indianapolis IN | sectional |
| Nov 24 - Dec 4 | Seattle WA | Nationals | |
| 2012 | |||
| Jan 5-8 | 14 | Clive IA | sectional |
| Jan 13-15 | 8 | St. Charles MO | sectional |
| Jan 20-22 | 14 | Cedar Rapids IA | sectional |
| Feb 9-12 | 14 | Omaha NE | sectional |
| Feb 17-19 | 14 | Davenport IA | sectional |
| Mar 5-10 | 11 | Indianapolis IN | Regional |
| Mar 9-11 | 14 | Hills (Iowa City) IA | sectional |
| Mar 15-25 | Memphis TN | Nationals | |
| Mar 30 - Apr 1 | 14 | Dubuque IA | sectional |
| Apr 16-22 | MidAtlantic | Gatlinburg TN | Regional |
| Apr 20-22 | 14 | Ft. Dodge IA | sectional |
| May 1-6 | 11 | Cincinnati OH | Regional |
| May 4-6 | 14 | Cedar Falls IA | sectional |
| May 4-6 | 14 | Lincoln NE | sectional |
| May 4-6 | 14 | Rapid City SD | sectional |
| May 10-13 | 14 | Clive IA | sectional |
| May 18-20 | 8 | St. Charles MO | sectional |
| May 18-20 | 14 | Mount Pleasant IA | sectional |
| Jun 1-3 | 14 | Mason City IA | sectional |
| Jun 1-3 | 14 | Sioux City IA | sectional |
| Jun 1-3 | 14 | Bismarck ND | sectional |
| Jun 8-10 | 11 | Indianapolis IN | sectional |
| Jun 11-17 | 14 | StaC D-14 | STaC |
| Jun 18-24 | 8 | Rockford IL | Regional-Split |
| Jun 22-24 | 14 | Minneapolis MN | IN (0-300) event |
| Jun 25 - Jul 1 | 14 | Iowa City IA | Regional |
| Jul 4-8 | 14 | Minneapolis MN | Regional |
| Jul 9-15 | 11 | StaC D11 | STaC |
| Jul 12-22 | Philadelphia PA | Nationals | |
| Jul 27-29 | 14 | Cedar Rapids IA | sectional |
| Jul 30 - Aug 5 | 14 | Council Bluffs IA (Omaha NE) | Regional |
| Aug 31 - Sep 3 | 14 | Hills (Iowa City) IA | sectional |
| Sep 7-9 | 8 | Rockford IL | sectional |
| Sep 7-9 | 14 | Rapid City SD | sectional |
| Sep 13-16 | 14 | Clive IA | sectional |
| Sep 14-16 | 14 | Minneapolis MN | IN (0-300) event |
| Sep 21-23 | 14 | Spirit Lake IA | sectional |
| Sep 28-30 | 14 | Keokuk IA | sectional |
| Oct 19-21 | 8 | St. Charles MO | sectional |
| Oct 19-21 | 14 | Davenport IA | sectional |
| Oct 22-28 | 13/123 | Lake Geneva WI | Regional |
| Oct 25-28 | 14 | Omaha NE | sectional |
| Oct 25-28 | 11 | Cincinnati OH | sectional |
| Nov 2-4 | 14 | Prior Lake MN | sectional |
| Nov 9-11 | 14 | Cedar Falls IA | sectional |
| Nov 12-18 | 14 | StaC D-14 | STaC |
| Nov 16-18 | 11 | Indianapolis IN | sectional |
| Nov 22 - Dec 2 | San Francisco CA | Nationals | |
| 2013 | |||
| Jan 3-6 | 14 | Clive IA | sectional |
| Jan 18-20 | 14 | Cedar Rapids IA | sectional |
| Feb 7-10 | 14 | Omaha NE | sectional |
| Feb 22-24 | 14 | Davenport IA | sectional |
| Mar 8-10 | 14 | Hills (Iowa City) IA | sectional |
| Apr 5-7 | 14 | Dubuque IA | sectional |
| Apr 15-21 | MidAtlantic | Gatlinburg TN | Regional |
| Apr 19-21 | 14 | Ft. Dodge IA | sectional |
| May 3-5 | 14 | Cedar Falls IA | sectional |
| May 3-5 | 14 | Rapid City SD | sectional |
| May 9-12 | 14 | Clive IA | sectional |
| May 17-19 | 14 | Mount Pleasant IA | sectional |
| May 21-27 | 14 | Prior Lake MN | Regional |
| Jun 7-9 | 14 | Mason City IA | sectional |
| Jun 7-9 | 14 | Sioux City IA | sectional |
| Jun 7-9 | 14 | Bismarck ND | sectional |
| Jun 10-16 | 14 | StaC D-14 | STaC |
| Jun 17-23 | 8 | Rockford IL | Regional |
| Jul 12-14 | 14 | Cedar Rapids IA | sectional |
| Jul 17-21 | 14 | Minneapolis MN | Regional |
| Aug 5-11 | 14 | Council Bluffs IA | Regional |
| Aug 30 - Sep 2 | 14 | Hills (Iowa City) IA | sectional |
| Aug 30 - Sep 2 | 14 | Minneapolis MN | sectional |
| Sep 6-8 | 8 | Rockford IL | sectional |
| Sep 6-8 | 14 | Rapid City SD | sectional |
| Sep 12-15 | 14 | Clive IA | sectional |
| Sep 20-22 | 14 | Spirit Lake IA | sectional |
| Sep 27-29 | 14 | Keokuk IA | sectional |
| Oct 18-20 | 14 | Davenport IA | sectional |
| Oct 21-27 | 13/123 | Lake Geneva WI | Regional |
| Oct 24-27 | 14 | Omaha NE | sectional |
| Nov 1-3 | 14 | Prior Lake MN | sectional |
| Nov 8-10 | 14 | Cedar Falls IA | sectional |
| Nov 11-17 | 14 | StaC D-14 | STaC |
| 2014 | |||
| Jan 2-5 | 14 | Clive IA | sectional |
| Jan 17-19 | 14 | Cedar Rapids IA | sectional |
| Feb 6-9 | 14 | Omaha NE | sectional |
| Feb 21-23 | 14 | Davenport IA | sectional |
| Mar 14-16 | 14 | Hills (Iowa City) IA | sectional |
| Apr 4-6 | 14 | Dubuque IA | sectional |
| Apr 7-13 | MidAtlantic | Gatlinburg TN | Regional |
| Apr 25-27 | 14 | Ft. Dodge IA | sectional |
| May 2-4 | 14 | Cedar Falls IA | sectional |
| May 2-4 | 14 | Rapid City SD | sectional |
| May 8-11 | 14 | Clive IA | sectional |
| May 16-18 | 14 | Mount Pleasant IA | sectional |
| Jun 6-8 | 14 | Mason City IA | sectional |
| Jun 6-8 | 14 | Sioux City IA | sectional |
| Jun 6-8 | 14 | Bismarck ND | sectional |
| Jun 11-17 | 14 | StaC D-14 | STaC |
| Jun 16-22 | 8 | Rockford IL | Regional |
| Jun 23-29 | 14 | Davenport IA | Regional |
| Jul 11-13 | 14 | Cedar Rapids IA | sectional |
| Jul 16-20 | 14 | Minneapolis MN | Regional |
| Aug 4-10 | 14 | Omaha NE | Regional |
| Aug 29 - Sep 1 | 14 | Hills (Iowa City) IA | sectional |
| Sep 5-7 | 8 | Rockford IL | sectional |
| Sep 5-7 | 14 | Rapid City SD | sectional |
| Sep 11-14 | 14 | Clive IA | sectional |
| Sep 26-28 | 14 | Keokuk IA | sectional |
| Sep 26-28 | 14 | Spirit Lake IA | sectional |
| Oct 17-19 | 14 | Davenport IA | sectional |
| Oct 20-26 | 13/123 | Lake Geneva WI | Regional |
| Oct 23-26 | 14 | Omaha NE | sectional |
| Oct 31 - Nov 2 | 14 | Prior Lake MN | sectional |
| Nov 7-9 | 14 | Cedar Falls IA | sectional |
| Nov 10-16 | 14 | StaC D-14 | STaC |
| 2015 | |||
| Jan 8-11 | 14 | Clive IA | sectional |
| Jan 16-18 | 14 | Cedar Rapids IA | sectional |
| Feb 12-15 | 14 | Omaha NE | sectional |
| Feb 20-22 | 14 | Davenport IA | sectional |
| Mar 13-15 | 14 | Hills (Iowa City) IA | sectional |
| Apr 10-12 | 14 | Dubuque IA | sectional |
| Apr 13-19 | MidAtlantic | Gatlinburg TN | Regional |
| Apr 24-26 | 14 | Ft. Dodge IA | sectional |
| May 1-3 | 14 | Cedar Falls IA | sectional |
| May 1-3 | 14 | Rapid City SD | sectional |
| May 7-10 | 14 | Clive IA | sectional |
| May 15-17 | 14 | Mount Pleasant IA | sectional |
| May 19-25 | 14 | Prior Lake MN | Regional |
| Jun 5-7 | 14 | Mason City IA | sectional |
| Jun 5-7 | 14 | Sioux City IA | sectional |
| Jun 5-7 | 14 | Bismarck ND | sectional |
| Jun 8-14 | 14 | StaC D-14 | STaC |
| Jun 22-28 | 8 | Rockford IL | Regional-Split |
| Jul 8-12 | 14 | Minneapolis MN | Regional |
| Jul 17-19 | 14 | Cedar Rapids IA | sectional |
| Aug 3-9 | 14 | Council Bluffs IA | Regional |
| Sep 4-7 | 14 | Hills (Iowa City) IA | sectional |
| Sep 4-7 | 14 | Minneapolis MN | sectional |
| Sep 10-13 | 14 | Clive IA | sectional |
| Sep 11-13 | 8 | Rockford IL | sectional |
| Sep 11-13 | 14 | Rapid City SD | sectional |
| Sep 25-27 | 14 | Keokuk IA | sectional |
| Sep 25-27 | 14 | Spirit Lake IA | sectional |
| Oct 16-18 | 14 | Davenport IA | sectional |
| Oct 22-25 | 14 | Omaha NE | sectional |
| Oct 26 - Nov 1 | 13/123 | Lake Geneva WI | Regional |
| Nov 6-8 | 14 | Cedar Falls IA | sectional |
| Nov 6-8 | 14 | Prior Lake MN | sectional |
| Nov 9-15 | 14 | StaC D-14 | STaC |
| 2016 | |||
| Jan 7-10 | 14 | Clive IA | sectional |
| Jan 22-24 | 14 | Cedar Rapids IA | sectional |
| Feb 11-14 | 14 | Omaha NE | sectional |
| Feb 19-21 | 14 | Davenport IA | sectional |
| Mar 11-13 | 14 | Hills (Iowa City) IA | sectional |
| Apr 1-3 | 14 | Dubuque IA | sectional |
| Apr 22-24 | 14 | Ft. Dodge IA | sectional |
| Apr 29 - May 1 | 14 | Cedar Falls IA | sectional |
| May 5-8 | 14 | Clive IA | sectional |
| May 6-8 | 14 | Rapid City SD | sectional |
| May 20-22 | 14 | Mount Pleasant IA | sectional |
| Jun 3-5 | 14 | Mason City IA | sectional |
| Jun 3-5 | 14 | Sioux City IA | sectional |
| Jun 3-5 | 14 | Bismarck ND | sectional |
| Jun 13-19 | 14 | StaC D-14 | STaC |
| Jun 20-26 | 8 | Rockford IL | Regional-Split |
| Jun 27 - Jul 3 | 14 | Iowa City IA | Regional |
| Jul 15-17 | 14 | Cedar Rapids IA | sectional |
| Jul 20-24 | 14 | Minneapolis MN | Regional |
| Aug 1-7 | 14 | Omaha NE | Regional |
| Sep 2-5 | 14 | Hills (Iowa City) IA | sectional |
| Sep 9-11 | 8 | Rockford IL | sectional |
| Sep 9-11 | 14 | Rapid City SD | sectional |
| Sep 15-18 | 14 | Clive IA | sectional |
| Sep 23-25 | 14 | Keokuk IA | sectional |
| Sep 23-25 | 14 | Spirit Lake IA | sectional |
| Oct 14-16 | 14 | Davenport IA | sectional |
| Oct 27-30 | 14 | Omaha NE | sectional |
| Nov 4-6 | 14 | Prior Lake MN | sectional |
| Nov 11-13 | 14 | Cedar Falls IA | sectional |
| Nov 14-20 | 14 | StaC D-14 | STaC |
| 2017 | |||
| Jan 5-8 | 14 | Clive IA | sectional |
| Jan 20-22 | 14 | Cedar Rapids IA | sectional |
| Feb 9-12 | 14 | Omaha NE | sectional |
| Feb 17-19 | 14 | Davenport IA | sectional |
| Mar 10-12 | 14 | Hills (Iowa City) IA | sectional |
| Mar 31 - Apr 2 | 14 | Dubuque IA | sectional |
| May 5-7 | 14 | Cedar Falls IA | sectional |
| May 11-14 | 14 | Clive IA | sectional |
| May 19-21 | 14 | Mount Pleasant IA | sectional |
| Jun 9-11 | 14 | Mason City IA | sectional |
| Jun 19-25 | 8 | Rockford IL | Regional-Split |
| Jul 14-16 | 14 | Cedar Rapids IA | sectional |
| Sep 1-4 | 14 | Hills (Iowa City) IA | sectional |
| Sep 8-10 | 8 | Rockford IL | sectional |
| Sep 14-17 | 14 | Clive IA | sectional |
| Sep 22-24 | 14 | Keokuk IA | sectional |
| Oct 13-15 | 14 | Davenport IA | sectional |
| Oct 26-29 | 14 | Omaha NE | sectional |
| 2018 | |||
| Jan 4-7 | 14 | Clive IA | sectional |
| Jan 19-21 | 14 | Cedar Rapids IA | sectional |
| Feb 16-18 | 14 | Davenport IA | sectional |
| Mar 9-11 | 14 | Hills (Iowa City) IA | sectional |
| Apr 6-8 | 14 | Dubuque IA | sectional |
| May 4-6 | 14 | Cedar Falls IA | sectional |
| May 10-13 | 14 | Clive IA | sectional |
| May 18-20 | 14 | Mount Pleasant IA | sectional |
| Jun 8-10 | 14 | Mason City IA | sectional |
| Jun 18-24 | 8 | Rockford IL | Regional-Split |
| Jun 25 - Jul 1 | 14 | Davenport IA | Regional |
| Aug 31 - Sep 3 | 14 | Hills (Iowa City) IA | sectional |
| Sep 7-9 | 8 | Rockford IL | sectional |
| Sep 13-16 | 14 | Clive IA | sectional |
| Sep 28-30 | 14 | Keokuk IA | sectional |
| Oct 12-14 | 14 | Davenport IA | sectional |
| Nov 9-11 | 14 | Cedar Falls IA | sectional |
| 2019 | |||
| Jan 18-20 | 14 | Cedar Rapids IA | sectional |
| Feb 15-17 | 14 | Davenport IA | sectional |
| Mar 8-10 | 14 | Hills (Iowa City) IA | sectional |
| Apr 5-7 | 14 | Dubuque IA | sectional |
| Jun 17-23 | 8 | Rockford IL | Regional-Split |
| Jul 12-14 | 14 | Cedar Rapids IA | sectional |
| Aug 30 - Sep 2 | 14 | Hills (Iowa City) IA | sectional |
| Sep 6-8 | 8 | Rockford IL | sectional |
| Sep 27-29 | 14 | Keokuk IA | sectional |
| Oct 11-13 | 14 | Davenport IA | sectional |
| Nov 8-10 | 14 | Cedar Falls IA | sectional |
| 2020 | |||
| Jan 17-19 | 14 | Cedar Rapids IA | sectional |
| Feb 21-23 | 14 | Davenport IA | sectional |
| Mar 13-15 | 14 | Hills (Iowa City) IA | sectional |
| Apr 3-5 | 14 | Dubuque IA | sectional |
| May 1-3 | 14 | Cedar Falls IA | sectional |
| Jun 5-7 | 14 | Mason City IA | sectional |
| Jun 22-28 | 8 | Rockford IL | Regional-Split |
| Jun 22-28 | 14 | Iowa City IA | Regional |
| Jul 10-12 | 14 | Cedar Rapids IA | sectional |
| Sep 11-13 | 8 | Rockford IL | sectional |
| Sep 25-27 | 14 | Keokuk IA | sectional |
| Oct 16-18 | 14 | Davenport IA | sectional |
| Nov 6-8 | 14 | Cedar Falls IA | sectional |