League History
| Season | Cycle | Players | Season Closed |
| Guardians Rising Season 1 | 2017 | 28 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 47 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 35 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 34 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 32 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 26 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 30 | November 30, 2016 |
| Rescue Season | 2016 | 47 | October 31, 2016 |
| Gear Season | 2016 | 37 | September 30, 2016 |
| Closure Season | 2016 | 31 | July 30, 2016 |
| Alakazam! Season | 2016 | 35 | June 30, 2016 |
| New Friends Season | 2016 | 35 | May 30, 2016 |
| Worlds Collide Season | 2016 | 49 | April 30, 2016 |
| Rift Season | 2016 | 42 | March 31, 2016 |
| Parallel Season | 2016 | 47 | February 29, 2016 |
| Break Season | 2016 | 51 | January 31, 2016 |
| Tech Season | 2016 | 52 | December 31, 2015 |
| Nature Season | 2016 | 59 | November 30, 2015 |
| Sootopolis Gym | 2015 | 30 | October 19, 2015 |
| Mossdeep Gym | 2015 | 90 | September 07, 2015 |
| Fortree Gym | 2015 | 118 | July 27, 2015 |
| Petalburg Gym | 2015 | 133 | June 15, 2015 |
| Lavaridge Gym | 2015 | 146 | May 05, 2015 |
| Mauville Gym | 2015 | 171 | March 23, 2015 |
| Dewford Gym | 2015 | 175 | February 09, 2015 |