League History
| Season | Cycle | Players | Season Closed |
| Team Up: Season 1 | 2019 | 21 | February 28, 2019 |
| Lost Thunder: Season 2 | 2019 | 21 | December 31, 2018 |
| Lost Thunder: Season 1 | 2019 | 21 | November 30, 2018 |
| Celestial Storm: Season 3 | 2019 | 21 | October 31, 2018 |
| Forbidden Light: Season 3 | 2018 | 20 | July 31, 2018 |
| Ultra Prism: Season 1 | 2018 | 20 | February 28, 2018 |
| Crimson Invasion: Season 3 | 2018 | 20 | January 31, 2018 |
| Crimson Invasion: Season 2 | 2018 | 20 | December 31, 2017 |
| Crimson Invasion: Season 1 | 2018 | 20 | November 30, 2017 |
| Burning Shadows: Season 3 | 2018 | 20 | October 31, 2017 |
| Burning Shadows: Season 2 | 2018 | 20 | September 30, 2017 |
| Burning Shadows: Season 1 | 2018 | 20 | August 31, 2017 |
| Guardians Rising Season 3 | 2017 | 18 | July 31, 2017 |
| Guardians Rising Season 2 | 2017 | 18 | June 30, 2017 |
| Guardians Rising Season 1 | 2017 | 18 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 18 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 18 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 18 | February 28, 2017 |
| Evolutions: Season 2 | 2017 | 16 | December 31, 2016 |
| Alakazam! Season | 2016 | 9 | June 30, 2016 |
| Sootopolis Gym | 2015 | 22 | October 19, 2015 |
| Mossdeep Gym | 2015 | 16 | September 07, 2015 |
| Fortree Gym | 2015 | 15 | July 27, 2015 |
| Lavaridge Gym | 2015 | 13 | May 05, 2015 |
| Mauville Gym | 2015 | 13 | March 23, 2015 |