League History
| Season | Cycle | Players | Season Closed |
| Crimson Invasion: Season 3 | 2018 | 24 | January 31, 2018 |
| Crimson Invasion: Season 2 | 2018 | 26 | December 31, 2017 |
| Crimson Invasion: Season 1 | 2018 | 27 | November 30, 2017 |
| Burning Shadows: Season 3 | 2018 | 22 | October 31, 2017 |
| Burning Shadows: Season 2 | 2018 | 27 | September 30, 2017 |
| Burning Shadows: Season 1 | 2018 | 22 | August 31, 2017 |
| Guardians Rising Season 3 | 2017 | 17 | July 31, 2017 |
| Guardians Rising Season 2 | 2017 | 24 | June 30, 2017 |
| Guardians Rising Season 1 | 2017 | 36 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 29 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 24 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 30 | February 28, 2017 |
| Evolutions: Season 2 | 2017 | 13 | December 31, 2016 |
| Rescue Season | 2016 | 34 | October 31, 2016 |
| Gear Season | 2016 | 30 | September 30, 2016 |
| Alakazam! Season | 2016 | 27 | June 30, 2016 |
| Parallel Season | 2016 | 24 | February 29, 2016 |
| Break Season | 2016 | 19 | January 31, 2016 |
| Tech Season | 2016 | 22 | December 31, 2015 |
| Nature Season | 2016 | 21 | November 30, 2015 |
| Sootopolis Gym | 2015 | 36 | October 19, 2015 |
| Mossdeep Gym | 2015 | 27 | September 07, 2015 |
| Fortree Gym | 2015 | 25 | July 27, 2015 |
| Petalburg Gym | 2015 | 24 | June 15, 2015 |
| Lavaridge Gym | 2015 | 24 | May 05, 2015 |