With each new season or in-game event inPokemon GO, the various battle formats tend to rotate, bringing different Leagues or themed Cups for players to enjoy. Each one of these Cups and Leagues has its own set of rules that Trainers must follow and build their teams around, meaning players often need to adapt and make team adjustments for each battle opportunity that they plan to participate in.

InPokemon GO, Ultra League is one of these various battle formats, with the latest return occurring inJuly 2025. As this League has made another appearance as part of theDelightful Days season, players will have another opportunity to climb through ranks with Pokemon of a medium CP range. If you’re planning to enter the Ultra League, all the information you’ll need regarding rules, restrictions, and best Pokemon options has been explained in the guide below.

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Ultra League Rules in Pokemon GO

Pokemon GOTrainers can participate in Ultra League between the dates ofJuly 22 at 1 PM PT until July 29 at 1 PM PT. Throughout this period, players can also earn 4x Stardust from win rewards, providing them with a decent opportunity to farm the important resource (though this bonus does not apply to end-of-set rewards). However, players will also need to follow rules regardingCP limits/restrictions, which have been listed below:

Best Pokemon for Ultra League in Pokemon GO

The sections below will detail the best options for Lead Pokemon, Safe Switch Pokemon, Attacker Pokemon, and Closer Pokemon for Ultra League inPokemon GO.

When it comes to battle, Lead Pokemon are the first out on the field and are key to setting the pace for the rest of the fight. These Pokemon are often aggressive in offensive power, which assists the player in applyingearly pressure on the opponent, potentially chipping away at threats and providing an early advantage.

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Safe Switch Pokemon are dependable alternatives that can be swapped into battle when your lead faces trouble, enabling you toavoid unfavorable matchups. Having a viable safe switch can make all the difference in stabilizing the battle and rounding out your team, so Trainers will need to carefully consider this role.

Attackers are known for a strong offensive presence and the ability to continuouslyput pressure on the opponentand their team. These Pokemon excel at forcing down enemy Shields to set up a favorable endgame and often carry a strong mix of durability, hard-hitting moves, andfavorable typing.

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Closers' role in battle revolves aroundstrength in the endgame of a match, especially in the case that Shields are no longer in play. Closers tend to have great, well-rounded stats, good type coverage, and strong movesets that can finish off opposing monsters without needing to rely on the safety of switching or Shield protection.