Niantic has announced that a Battle Showdown event will take place from March 5th, 2019 until March 12th, 2019 and players of Pokémon GO that challenge team leaders and fellow Trainers can level up Gym Badges and earn Stardust!

Challenge fellow Trainers in our Battle Showdown event!

Trainers, It’s time to challenge team leaders and fellow Trainers for special rewards during our Battle Showdown event! Level up Gym Badges, earn Stardust, and show your team pride during this limited-time event.

Date + Time: Mar. 5, 2019, at 1:00 p.m. PST (GMT −8) to Mar. 12, 2019, at 1:00 p.m. PDT (GMT −7)

Features

• Fighting-type Pokémon like Mankey, Machop, Makuhita, and Meditite will appear more frequently in the wild.
• If you’re lucky, you may encounter Shiny Mankey and Shiny Machop!

Bonuses

• 2× Catch, Battle, and Raid Stardust
• 2× XP for Gym Badges
• Earn up to five rewards per day from Trainer Battles, including Rare Candy.
• Earn up to three rewards per day from challenging team leaders, including Rare Candy.

Move A new move has been permanently added to the game! Power-Up Punch will now be available for certain Pokémon, such as Poliwrath, Hitmonchan, Kangaskhan, Medicham, and Lucario.

Our Battle Showdown event is sure to pack a punch, so don’t miss it!

Source: https://pokemongolive.com/en/post/battleshowdown2019/