League History
| Season | Cycle | Players | Season Closed |
| Crimson Invasion: Season 1 | 2018 | 143 | November 30, 2017 |
| Burning Shadows: Season 3 | 2018 | 143 | October 31, 2017 |
| Burning Shadows: Season 2 | 2018 | 143 | September 30, 2017 |
| Burning Shadows: Season 1 | 2018 | 143 | August 31, 2017 |
| Guardians Rising Season 3 | 2017 | 123 | July 31, 2017 |
| Guardians Rising Season 2 | 2017 | 104 | June 30, 2017 |
| Guardians Rising Season 1 | 2017 | 100 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 100 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 79 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 79 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 76 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 62 | December 31, 2016 |
| Rescue Season | 2016 | 45 | October 31, 2016 |
| Gear Season | 2016 | 52 | September 30, 2016 |
| Steam Season | 2016 | 52 | August 31, 2016 |
| Closure Season | 2016 | 52 | July 30, 2016 |
| Alakazam! Season | 2016 | 52 | June 30, 2016 |
| New Friends Season | 2016 | 52 | May 30, 2016 |
| Rift Season | 2016 | 52 | March 31, 2016 |
| Parallel Season | 2016 | 52 | February 29, 2016 |
| Tech Season | 2016 | 52 | December 31, 2015 |
| Nature Season | 2016 | 52 | November 30, 2015 |
| Sootopolis Gym | 2015 | 58 | October 19, 2015 |
| Mossdeep Gym | 2015 | 54 | September 07, 2015 |
| Petalburg Gym | 2015 | 54 | June 15, 2015 |