League History
| Season | Cycle | Players | Season Closed |
| Guardians Rising Season 1 | 2017 | 121 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 121 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 117 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 115 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 100 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 97 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 97 | November 30, 2016 |
| Rescue Season | 2016 | 116 | October 31, 2016 |
| Gear Season | 2016 | 114 | September 30, 2016 |
| Steam Season | 2016 | 114 | August 31, 2016 |
| Closure Season | 2016 | 110 | July 30, 2016 |
| Alakazam! Season | 2016 | 107 | June 30, 2016 |
| New Friends Season | 2016 | 104 | May 30, 2016 |
| Rift Season | 2016 | 103 | March 31, 2016 |
| Parallel Season | 2016 | 100 | February 29, 2016 |
| Break Season | 2016 | 97 | January 31, 2016 |
| Tech Season | 2016 | 97 | December 31, 2015 |
| Nature Season | 2016 | 96 | November 30, 2015 |
| Sootopolis Gym | 2015 | 122 | October 19, 2015 |
| Mossdeep Gym | 2015 | 122 | September 07, 2015 |
| Fortree Gym | 2015 | 110 | July 27, 2015 |
| Petalburg Gym | 2015 | 106 | June 15, 2015 |
| Lavaridge Gym | 2015 | 97 | May 05, 2015 |
| Mauville Gym | 2015 | 97 | March 23, 2015 |
| Dewford Gym | 2015 | 85 | February 09, 2015 |