League History
| Season | Cycle | Players | Season Closed |
| Burning Shadows: Season 1 | 2018 | 75 | August 31, 2017 |
| Guardians Rising Season 3 | 2017 | 85 | July 31, 2017 |
| Guardians Rising Season 2 | 2017 | 84 | June 30, 2017 |
| Guardians Rising Season 1 | 2017 | 84 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 84 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 84 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 84 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 84 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 72 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 72 | November 30, 2016 |
| Rescue Season | 2016 | 90 | October 31, 2016 |
| Steam Season | 2016 | 80 | August 31, 2016 |
| Closure Season | 2016 | 56 | July 30, 2016 |
| Alakazam! Season | 2016 | 50 | June 30, 2016 |
| New Friends Season | 2016 | 38 | May 30, 2016 |
| Rift Season | 2016 | 17 | March 31, 2016 |
| Parallel Season | 2016 | 23 | February 29, 2016 |
| Break Season | 2016 | 23 | January 31, 2016 |
| Tech Season | 2016 | 23 | December 31, 2015 |
| Nature Season | 2016 | 22 | November 30, 2015 |
| Sootopolis Gym | 2015 | 30 | October 19, 2015 |
| Fortree Gym | 2015 | 33 | July 27, 2015 |
| Petalburg Gym | 2015 | 48 | June 15, 2015 |
| Lavaridge Gym | 2015 | 66 | May 05, 2015 |
| Mauville Gym | 2015 | 46 | March 23, 2015 |