League History
| Season | Cycle | Players | Season Closed |
| Burning Shadows: Season 1 | 2018 | 55 | August 31, 2017 |
| Guardians Rising Season 3 | 2017 | 52 | July 31, 2017 |
| Guardians Rising Season 2 | 2017 | 52 | June 30, 2017 |
| Guardians Rising Season 1 | 2017 | 52 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 52 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 52 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 52 | February 28, 2017 |
| Evolutions: Season 3 | 2017 | 52 | January 31, 2017 |
| Evolutions: Season 2 | 2017 | 52 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 52 | November 30, 2016 |
| Rescue Season | 2016 | 50 | October 31, 2016 |
| Tech Season | 2016 | 38 | December 31, 2015 |
| Nature Season | 2016 | 37 | November 30, 2015 |
| Mossdeep Gym | 2015 | 56 | September 07, 2015 |
| Fortree Gym | 2015 | 42 | July 27, 2015 |
| Mauville Gym | 2015 | 42 | March 23, 2015 |
| Humilau Gym | 2013 | 48 | September 15, 2013 |
| Opelucid Gym | 2013 | 48 | August 04, 2013 |
| Mistralton Gym | 2013 | 48 | June 23, 2013 |
| Driftveil Gym | 2013 | 48 | May 12, 2013 |
| Nimbasa Gym | 2013 | 48 | March 31, 2013 |
| Castelia Gym | 2013 | 44 | February 17, 2013 |
| Virbank Gym | 2013 | 48 | January 06, 2013 |
| Aspertia Gym | 2013 | 47 | November 25, 2012 |
| Jet | 2012 | 40 | June 03, 2012 |