League History
| Season | Cycle | Players | Season Closed |
| April 2024 | 2024 | 36 | April 30, 2024 |
| March 2024 | 2024 | 36 | March 31, 2024 |
| February 2024 | 2024 | 36 | February 29, 2024 |
| January 2024 | 2024 | 36 | January 31, 2024 |
| December 2023 | 2024 | 33 | December 31, 2023 |
| November 2023 | 2024 | 32 | November 30, 2023 |
| October 2023 | 2024 | 30 | October 31, 2023 |
| September 2023 | 2024 | 28 | September 30, 2023 |
| August 2023 | 2024 | 22 | August 31, 2023 |
| Unbroken Bonds: Season 2 | 2019 | 8 | June 30, 2019 |
| Team Up: Season 1 | 2019 | 8 | February 28, 2019 |
| Lost Thunder: Season 2 | 2019 | 8 | December 31, 2018 |
| Celestial Storm: Season 1 | 2019 | 8 | August 31, 2018 |
| Forbidden Light: Season 3 | 2018 | 14 | July 31, 2018 |
| Ultra Prism: Season 2 | 2018 | 14 | March 31, 2018 |
| Guardians Rising Season 3 | 2017 | 18 | July 31, 2017 |
| Guardians Rising Season 2 | 2017 | 18 | June 30, 2017 |
| Guardians Rising Season 1 | 2017 | 21 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 21 | April 30, 2017 |
| Sun & Moon: Season 1 | 2017 | 21 | February 28, 2017 |
| Rescue Season | 2016 | 20 | October 31, 2016 |
| Parallel Season | 2016 | 23 | February 29, 2016 |
| Nature Season | 2016 | 11 | November 30, 2015 |
| Sootopolis Gym | 2015 | 33 | October 19, 2015 |
| Fortree Gym | 2015 | 23 | July 27, 2015 |