Pokémon GO weekly event: May 11–17

Pokémon GO has one of those weeks where the calendar suddenly matters. Starting Tuesday, May 12, the game rolls into Spring Marathon — a limited-time event built around new debuts, rotating bonuses, and themed encounters. Then, before that settles in, the raid pool flips on Wednesday, May 13, and Deino Community Day Classic arrives on Saturday, May 16. Basically, if you only play casually, this is the kind of week that can still reward a little planning. ### What actually starts this week? The big weekly event is Spring Marathon, which runs from Tuesday, May 12, at 10:00 a.m. to Monday, May 18, at 8:00 p.m. local time. The headline additions are Flittle making its Pokémon GO debut and Pikachu wearing a marathon visor showing up for the first time. That gives the week a clear collector angle — not just extra spawns, but two event-specific targets people may want before the window closes. (pokemongohub.net) ### Why is Flittle the main draw? Because new Pokédex entries are still the cleanest reason to care about a weeklong event. Flittle is the fresh debut here, which means anyone missing it has a simple goal — play during Spring Marathon and lock it in. The visor Pikachu matters too, but in a different way. Costume Pokémon are more about limited availability and bragging rights than battle value, so they’re the kind of catch players regret skipping once the event ends. (pokemongohub.net) ### What changes on Wednesday? Raids rotate on Wednesday, May 13. Nihilego leaves five-star raids, and three Ultra Beasts take over by region: Buzzwole in the Americas, Pheromosa in Europe, the Middle East and Africa, and Xurkitree in Asia-Pacific. Mega Camerupt also rotates out, with Mega Glalie taking over Mega Raids from the same date. That means the middle of the week is less about random raiding and more about knowing what your region actually gets. (pokemongohub.net) ### What’s the one-hour window to remember? Raid Hour lands Wednesday, May 13, from 6:00 p.m. to 7:00 p.m. local time, featuring those same regional Ultra Beasts. In the U.S. — including Fremont — that means Buzzwole is the featured five-star target during that hour. If you want the most efficient shot at this week’s marquee raid boss without spending all week checking gyms, that’s the cleanest time block. (pokemongohub.net) ### Is there anything before Spring Marathon? Yes — Monday, May 11, has Max Monday from 6:00 p.m. to 7:00 p.m. local time, with Dynamax Growlithe featured in Max Battles. Growlithe also remains the Max Battle focus for May 11 through May 17 more broadly. So the week starts with a short, focused Dynamax window, then pivots into the bigger event cycle on Tuesday. (pokemongohub.net) ### Why does Saturday matter so much? Because Deino Community Day Classic is still the week’s highest-value grind session. It runs Saturday, May 16, from 2:00 p.m. to 5:00 p.m. local time, with boosted Deino spawns, 3× catch XP, and increased Shiny odds. If you evolve Zweilous by 9:00 p.m. local time that day, Hydreigon gets Brutal Swing — the exclusive move tied to the event. That’s the part that turns a simple catch event into a “don’t forget the evolve window” day. (pokemongohub.net) ### So how should a casual player treat this week? Think of it as three separate appointments, not one long blur. Monday is for Dynamax Growlithe if that interests you. Wednesday is for the raid reset and Raid Hour — Buzzwole if you’re in the Americas. Saturday is the must-play block if you care about XP, shinies, or a Brutal Swing Hydreigon. Everything else around Spring Marathon is the flexible layer you can fit in at parks, gyms, or while walking around town. (pokemongohub.net) ### Bottom line? This is a stacked Pokémon GO week — new debut, regional raid turnover, and a legacy-move Community Day all in six days. If you pick only one session, make it Saturday. But if you can carve out Wednesday too, you’ll hit the week’s two most time-sensitive beats. (pokemongohub.net)