League History
| Season | Cycle | Players | Season Closed |
| Forbidden Light: Season 1 | 2018 | 54 | May 31, 2018 |
| Ultra Prism: Season 3 | 2018 | 47 | April 30, 2018 |
| Ultra Prism: Season 2 | 2018 | 45 | March 31, 2018 |
| Ultra Prism: Season 1 | 2018 | 46 | February 28, 2018 |
| Crimson Invasion: Season 3 | 2018 | 47 | January 31, 2018 |
| Crimson Invasion: Season 2 | 2018 | 48 | December 31, 2017 |
| Burning Shadows: Season 3 | 2018 | 46 | October 31, 2017 |
| Guardians Rising Season 3 | 2017 | 47 | July 31, 2017 |
| Guardians Rising Season 2 | 2017 | 45 | June 30, 2017 |
| Sun & Moon: Season 3 | 2017 | 47 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 49 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 47 | February 28, 2017 |
| Rescue Season | 2016 | 101 | October 31, 2016 |
| Gear Season | 2016 | 56 | September 30, 2016 |
| Alakazam! Season | 2016 | 77 | June 30, 2016 |
| Worlds Collide Season | 2016 | 89 | April 30, 2016 |
| Rift Season | 2016 | 83 | March 31, 2016 |
| Parallel Season | 2016 | 61 | February 29, 2016 |
| Break Season | 2016 | 45 | January 31, 2016 |
| Tech Season | 2016 | 65 | December 31, 2015 |
| Nature Season | 2016 | 65 | November 30, 2015 |
| Sootopolis Gym | 2015 | 85 | October 19, 2015 |
| Mossdeep Gym | 2015 | 174 | September 07, 2015 |
| Fortree Gym | 2015 | 131 | July 27, 2015 |
| Petalburg Gym | 2015 | 103 | June 15, 2015 |