League History
| Season | Cycle | Players | Season Closed |
| Guardians Rising Season 1 | 2017 | 42 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 41 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 43 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 43 | February 28, 2017 |
| Evolutions: Season 2 | 2017 | 43 | December 31, 2016 |
| Rescue Season | 2016 | 42 | October 31, 2016 |
| Gear Season | 2016 | 37 | September 30, 2016 |
| Alakazam! Season | 2016 | 43 | June 30, 2016 |
| Worlds Collide Season | 2016 | 36 | April 30, 2016 |
| Rift Season | 2016 | 33 | March 31, 2016 |
| Break Season | 2016 | 33 | January 31, 2016 |
| Tech Season | 2016 | 32 | December 31, 2015 |
| Nature Season | 2016 | 31 | November 30, 2015 |
| Sootopolis Gym | 2015 | 35 | October 19, 2015 |
| Fortree Gym | 2015 | 34 | July 27, 2015 |
| Petalburg Gym | 2015 | 32 | June 15, 2015 |
| Lavaridge Gym | 2015 | 32 | May 05, 2015 |
| Mauville Gym | 2015 | 32 | March 23, 2015 |
| Dewford Gym | 2015 | 26 | February 09, 2015 |
| Rustboro Gym | 2015 | 23 | December 29, 2014 |
| Greninja | 2014 | 23 | November 03, 2014 |
| Delphox | 2014 | 24 | June 29, 2014 |
| Chesnaught | 2014 | 21 | May 29, 2014 |
| Yveltal | 2014 | 22 | April 30, 2014 |
| Froakie | 2014 | 23 | February 28, 2014 |