Niantic senior software engineer Yuan Zhang has managed to catch more than 2,174 Pokémon in Pokémon GO in just five weeks. She also captured 338 unique Ingress Portals within the same time period. The official announcement highlighting this accomplishment is as follows:
Here at Niantic, we always encourage exploration & discovery. We held a contest challenging #Niantics to complete in-game tasks ranging from most Pokémon caught to distance walked. One winner, Yuan, caught over 2,174 Pokémon & captured 338 unique Ingress Portals in 5 weeks!
Source: Niantic @NianticLabs
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