League History
| Season | Cycle | Players | Season Closed |
| Sun & Moon: Season 1 | 2017 | 34 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 27 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 32 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 32 | November 30, 2016 |
| Steam Season | 2016 | 24 | August 31, 2016 |
| Alakazam! Season | 2016 | 25 | June 30, 2016 |
| Worlds Collide Season | 2016 | 37 | April 30, 2016 |
| Rift Season | 2016 | 37 | March 31, 2016 |
| Parallel Season | 2016 | 35 | February 29, 2016 |
| Break Season | 2016 | 35 | January 31, 2016 |
| Tech Season | 2016 | 35 | December 31, 2015 |
| Nature Season | 2016 | 33 | November 30, 2015 |
| Sootopolis Gym | 2015 | 29 | October 19, 2015 |
| Mossdeep Gym | 2015 | 29 | September 07, 2015 |
| Fortree Gym | 2015 | 22 | July 27, 2015 |
| Petalburg Gym | 2015 | 9 | June 15, 2015 |