League History
| Season | Cycle | Players | Season Closed |
| Guardians Rising Season 1 | 2017 | 76 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 76 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 76 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 76 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 71 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 62 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 50 | November 30, 2016 |
| Rescue Season | 2016 | 67 | October 31, 2016 |
| Gear Season | 2016 | 61 | September 30, 2016 |
| Steam Season | 2016 | 46 | August 31, 2016 |
| Closure Season | 2016 | 65 | July 30, 2016 |
| Alakazam! Season | 2016 | 52 | June 30, 2016 |
| New Friends Season | 2016 | 32 | May 30, 2016 |
| Rift Season | 2016 | 34 | March 31, 2016 |
| Parallel Season | 2016 | 41 | February 29, 2016 |
| Break Season | 2016 | 43 | January 31, 2016 |
| Tech Season | 2016 | 43 | December 31, 2015 |
| Nature Season | 2016 | 41 | November 30, 2015 |
| Sootopolis Gym | 2015 | 38 | October 19, 2015 |
| Mossdeep Gym | 2015 | 36 | September 07, 2015 |
| Fortree Gym | 2015 | 36 | July 27, 2015 |
| Lavaridge Gym | 2015 | 36 | May 05, 2015 |