League History
| Season | Cycle | Players | Season Closed |
| Celestial Storm: Season 1 | 2019 | 41 | August 31, 2018 |
| Forbidden Light: Season 1 | 2018 | 15 | May 31, 2018 |
| Ultra Prism: Season 3 | 2018 | 12 | April 30, 2018 |
| Ultra Prism: Season 2 | 2018 | 17 | March 31, 2018 |
| Crimson Invasion: Season 3 | 2018 | 15 | January 31, 2018 |
| Crimson Invasion: Season 2 | 2018 | 16 | December 31, 2017 |
| Crimson Invasion: Season 1 | 2018 | 17 | November 30, 2017 |
| Burning Shadows: Season 2 | 2018 | 20 | September 30, 2017 |
| Guardians Rising Season 2 | 2017 | 19 | June 30, 2017 |
| Guardians Rising Season 1 | 2017 | 21 | May 31, 2017 |
| Sun & Moon: Season 2 | 2017 | 21 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 21 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 21 | January 31, 2017 |
| Evolutions: Season 1 | 2017 | 21 | November 30, 2016 |
| Rescue Season | 2016 | 95 | October 31, 2016 |
| Gear Season | 2016 | 95 | September 30, 2016 |
| Alakazam! Season | 2016 | 55 | June 30, 2016 |
| Worlds Collide Season | 2016 | 80 | April 30, 2016 |
| Rift Season | 2016 | 94 | March 31, 2016 |
| Tech Season | 2016 | 95 | December 31, 2015 |
| Sootopolis Gym | 2015 | 102 | October 19, 2015 |
| Mossdeep Gym | 2015 | 80 | September 07, 2015 |
| Fortree Gym | 2015 | 82 | July 27, 2015 |
| Petalburg Gym | 2015 | 63 | June 15, 2015 |
| Lavaridge Gym | 2015 | 72 | May 05, 2015 |