League History
| Season | Cycle | Players | Season Closed |
| Ultra Prism: Season 2 | 2018 | 63 | March 31, 2018 |
| Ultra Prism: Season 1 | 2018 | 63 | February 28, 2018 |
| Crimson Invasion: Season 3 | 2018 | 63 | January 31, 2018 |
| Crimson Invasion: Season 2 | 2018 | 63 | December 31, 2017 |
| Crimson Invasion: Season 1 | 2018 | 56 | November 30, 2017 |
| Burning Shadows: Season 3 | 2018 | 56 | October 31, 2017 |
| Guardians Rising Season 2 | 2017 | 50 | June 30, 2017 |
| Sun & Moon: Season 3 | 2017 | 68 | April 30, 2017 |
| Evolutions: Season 3 | 2017 | 32 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 32 | December 31, 2016 |
| Gear Season | 2016 | 56 | September 30, 2016 |
| Closure Season | 2016 | 42 | July 30, 2016 |
| Alakazam! Season | 2016 | 40 | June 30, 2016 |
| New Friends Season | 2016 | 37 | May 30, 2016 |
| Worlds Collide Season | 2016 | 82 | April 30, 2016 |
| Rift Season | 2016 | 82 | March 31, 2016 |
| Parallel Season | 2016 | 82 | February 29, 2016 |
| Break Season | 2016 | 49 | January 31, 2016 |
| Tech Season | 2016 | 42 | December 31, 2015 |
| Nature Season | 2016 | 52 | November 30, 2015 |
| Sootopolis Gym | 2015 | 89 | October 19, 2015 |
| Mossdeep Gym | 2015 | 111 | September 07, 2015 |
| Fortree Gym | 2015 | 93 | July 27, 2015 |
| Petalburg Gym | 2015 | 79 | June 15, 2015 |
| Lavaridge Gym | 2015 | 88 | May 05, 2015 |