League History
| Season | Cycle | Players | Season Closed |
| Sun & Moon: Season 3 | 2017 | 13 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 13 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 11 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 10 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 11 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 11 | November 30, 2016 |
| Rescue Season | 2016 | 15 | October 31, 2016 |
| Gear Season | 2016 | 18 | September 30, 2016 |
| Closure Season | 2016 | 14 | July 30, 2016 |
| Worlds Collide Season | 2016 | 14 | April 30, 2016 |
| Parallel Season | 2016 | 14 | February 29, 2016 |
| Tech Season | 2016 | 14 | December 31, 2015 |
| Nature Season | 2016 | 14 | November 30, 2015 |
| Sootopolis Gym | 2015 | 13 | October 19, 2015 |
| Fortree Gym | 2015 | 8 | July 27, 2015 |
| Dewford Gym | 2015 | 11 | February 09, 2015 |
| Delphox | 2014 | 5 | August 04, 2014 |
| Chesnaught | 2014 | 14 | June 23, 2014 |
| Yveltal | 2014 | 14 | May 12, 2014 |
| Xerneas | 2014 | 8 | March 31, 2014 |