Published May 12, 2026, 1:10 PM EDT Time to get walking Image: Niantic Jump Links How to find Flittle in Pokémon Go Pokémon Go 'Spring Marathon' event Go Pass Pokémon Go 'Spring Marathon' event Timed Research Pokémon Go 'Spring Marathon' event Field Research and rewards Pokémon Go 'Spring Marathon' event egg hatches Pokémon Go is hosting a " Spring Marathon " event, adding Flittle , Espartha , and a new costumed Pikachu to the game. This event runs from May 12-18 . As with the other recent events, this event brings about a new Go Pass themed around the event. Since this event is about walking and moving, expect to do a lot of that in order to take advantage of this event's bonuses. Below we list the bonuses for Pokémon Go 's "Spring Marathon" event, including how to get a Flittle, what the perks for this event's Go Pass are, and more.…