Pokémon GO Trainers can now compete in Great League: Mega Edition, Ultra League: Mega Edition and Master League: Mega Edition as the final rotation of the GO Battle League: Forever Forward season runs through Sept. 8, 2026, at 1 p.m. PDT (GMT-7). The three Mega-themed leagues allow Mega-Evolved Pokémon to enter battle, while wins award 4× Stardust, excluding end-of-set rewards. The rotation also marks the conclusion of Forever Forward, which has featured expanded battle formats and the Daily Discoveries: GO Battle Thursday event, during which Trainers can play up to 10 sets or 50 battles per day and earn up to 4× Stardust from win rewards. When the season ends, GO Battle League ranks will reset and end-of-season rewards will become available from the Battle screen.
Source: Official Pokémon GO blog
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