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Gyms in Pokémon GO are the source of Pokémon vs Pokémon battles. A gym can come in 3 states: Neutral, Enemy and Friendly (team owned). Up to 6 Pokemon can be placed on a Friendly Gym to be battled by other teams. You must be Level 5 to interact with Gyms. Gyms are also PokéStops, see more about this on the PokéStops page.

Types of Gyms

Neutral Gym

Neutral gyms can be captured for your team by adding a Pokémon to that gym. This Pokémon will be pulled from your collection and will be returned after it is knocked off the gym by an opposing team. If a gym has become neutral as a result of being defeated, the trainer(s) that participated in the battle have a 10 minute grace period to place a Pokemon before other trainers/teams can. Be fast though, if another team participated in the battle, they are included in that 10 minute grace period and could claim the gym before you!

 

Enemy Gym

Enemy gyms can be battled! While attacking you can use 6 Pokémon at a time to defeat the gym. Each Pokémon defeated will lower that Pokemons Motivation. When all Pokemon have been defeated, that gym will become Neutral and ready to claim.

 

Friendly

When visiting a friendly gym, there are several actions you can take. If there are less than 6 Pokemon placed, you can place your Pokemon to help defend that gym. If a Pokemon has missing Motivation, you can restore a portion by feeding berries to those Pokemon. Spinning the Gym PokeStop also has a chance to give bonus items!

 

Motivation

When a Pokemon is placed on a friendly Gym, it’ll have a Motivation meter represented by a heart.

 

Motivation Decay

 

Gym Level & Prestige Points

Gym Level Prestige Points
 1
2 2,000
3 4,000
4 8,000
5 12,000
6 16,000
7 20,000
8 30,000
9 40,000
10 50,000

You can push the prestige to 52,000, but it does not push the level of the gym past level 10.

 

Battling Prestige & XP (enemy gym)

  Prestige Removed XP Earned
Each Pokemon defeated 1,000 100
Defeating all Pokemon bonus (winning) 1,000 50

 

Training Prestige & XP (friendly gym)

If you default a Pokemon with higher CP than the Pokemon battling it, you earn more prestige and XP! Keep in mind, this is only the case at friendly gyms.

Prestige Earned XP Earned
Attacker CP > Defender CP 310 * (Defender CP / Attacker CP) – 55 31 * (Defender CP / Attacker CP) – 5
Attacker CP < Defender CP 500 * (Defender CP / Attacker CP) 50 * (Defender CP / Attacker CP)

[Formula credit]

You will always gain at least 100 prestige as the minimum, and 1,000 as the maximum.

Training Scaling

 

Battling a Gym

Defender Bonus