League History
| Season | Cycle | Players | Season Closed |
| Ultra Prism: Season 2 | 2018 | 49 | 31 Mar 2018 |
| Ultra Prism: Season 1 | 2018 | 46 | 28 Feb 2018 |
| Crimson Invasion: Season 2 | 2018 | 49 | 31 Dec 2017 |
| Crimson Invasion: Season 1 | 2018 | 47 | 30 Nov 2017 |
| Burning Shadows: Season 3 | 2018 | 49 | 31 Oct 2017 |
| Burning Shadows: Season 2 | 2018 | 45 | 30 Sep 2017 |
| Burning Shadows: Season 1 | 2018 | 47 | 31 Aug 2017 |
| Guardians Rising Season 3 | 2017 | 44 | 31 Jul 2017 |
| Guardians Rising Season 2 | 2017 | 48 | 30 Jun 2017 |
| Guardians Rising Season 1 | 2017 | 48 | 31 May 2017 |
| Sun & Moon: Season 3 | 2017 | 43 | 30 Apr 2017 |
| Gear Season | 2016 | 75 | 30 Sep 2016 |
| Steam Season | 2016 | 75 | 31 Aug 2016 |
| Alakazam! Season | 2016 | 87 | 30 Jun 2016 |
| New Friends Season | 2016 | 85 | 30 May 2016 |
| Worlds Collide Season | 2016 | 87 | 30 Apr 2016 |
| Rift Season | 2016 | 83 | 31 Mar 2016 |
| Parallel Season | 2016 | 71 | 29 Feb 2016 |
| Break Season | 2016 | 68 | 31 Jan 2016 |
| Tech Season | 2016 | 61 | 31 Dec 2015 |
| Nature Season | 2016 | 113 | 30 Nov 2015 |
| Sootopolis Gym | 2015 | 70 | 19 Oct 2015 |
| Mauville Gym | 2015 | 86 | 23 Mar 2015 |
| Dewford Gym | 2015 | 82 | 09 Feb 2015 |
| Rustboro Gym | 2015 | 74 | 29 Dec 2014 |