Ultra League, Master League: Mega Edition, and Retro Cup: Great League Edition | Twilight Trails

GO Battle League

STARTS

Sep 22, 2026, 8:00 PM

ENDS

Sep 29, 2026, 8:00 PM

DURATION

7 days

03 · ABOUT

Ultra League, Master League: Mega Edition, and Retro Cup: Great League Edition | Twilight Trails is scheduled to run in-game. Type: GO Battle League. Starts Sep 22, 2026, 8:00 PM (UTC). Ends Sep 29, 2026, 8:00 PM (UTC).

Upstream source: LeekDuck event page →

HUB

All events

Back to the live calendar of every event.

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TOOL

Raid IV calculator

Read tier 3/5/Mega raid IVs from CP + HP.

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TOOL

IV calculator

Full IV calculator with appraisal-bar input.

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TOOL

Catch rate

Berry + ball math for high-CP encounters.

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Times in UTC for stability. The in-game event runs in your local timezone — Niantic anchors Spotlight Hours and Community Days to local 6 PM / 2 PM.